Calculating Hospital Rates: Infection & Death Statistics Exercises

Chapter 8 Exercise 8.1 Using the information in the table below, calculate the rates requested for Community Hospital. In this exercise, deaths are included in the discharges. Round to two decimal places. Community Hospital Annual Statistics 20XX Discharges and Deaths Adults and children 2,190 Newborn 127 Deaths: Adults and children 13 Newborn 1 Nosocomial or Hospital-acquired infections: Adults and children 18 Newborn 2 Answers: Hospital-acquired infection rate for adults and children: 0.82% Hospital-acquired infection rate for newborns: 1.57% Total Hospital-acquired infection rate for the hospital: 0.86% Gross death rate for this annual period: 0.60%

Exercise 8.2 Using the information given in the table below, calculate the rates requested. In this exercise, the deaths are included in the discharges. Round to two decimal places. University Hospital Semiannual Statistics July–December 20XX Service No. of Discharges No. of Deaths No. of Nosocomial (includes Deaths) Infections Medicine 2,469 201 52 Surgery 2,890 144 56 Obstetrics 785 2 6 Psychiatry 786 1 4 Rehabilitatio n 847 18 27 Pediatrics 945 3 3 Newborn 791 1 1 Total Answers: Gross death rate for each service: Medicine: 8.14% Surgery: 4.98% Obstetrics: 0.25% Psychiatry: 0.13% Rehabilitation: 2.13% Pediatrics: 0.32% Newborn: 0.13% Total gross death rate: 3.89%

Hospital-acquired infection rate for each service: Medicine: 2.11% Surgery: 1.94% Obstetrics: 0.76% Psychiatry: 0.51% Rehabilitation: 3.19% Pediatrics: 0.32% Newborn: 0.13% Total hospital-acquired infection rate for the semiannual: 1.57% Exercise 8.3 Using the information in the table below, calculate the postoperative infection and postoperative death rates for University Hospital during this semiannual period. Round to two decimal places. University Hospital Surgery Service July–December 20XX Number of surgical operations 2,176 Number of patients operated on 2,170 Number of postoperative infections 14 Number of postoperative deaths 8 Answers: Postoperative infection rate: 0.64% Postoperative death rate: 0.37%

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Exercise 8.4 Using the information in the table below, calculate the rates requested. Round to two decimal places. Community Hospital Semiannual Report January – June, 20XX Deaths Infections No. of Patients Operated Month Live Disch Postop Other Postop Jan 540 2 10 2 4 Feb 660 3 12 3 5 Mar 680 3 8 1 4 Apr 669 2 12 4 3 May 701 5 15 4 2 Jun 693 3 11 5 3 Total Answers: 1. 0.42%, 0.46%, 0.15%, 0.61%, 0.58%, 0.73% 2. 0.50% 3. 0.42%, 0.47%, 0.45%, 0.31%, 0.72%, 0.44% 4. 0.47% 5. 2.13%

Exercise 8.5 Using the information below, calculate the rates requested. In this exercise, the deaths are included in the discharges. Round to two decimal places. January–March 20XX 389 discharges Type of Infection No. of Infections Infection Rate Central Line-associated bloodstream infections 8 2.06% Catheter-associated urinary tract infections 12 3.08% Ventilator-associated pneumonia 4 1.03% Surgical-site infections 6 1.54% Cardiovascular system infections 2 0.51% Gastrointestinal tract infections 3 0.77% Skin and soft-tissue infections 1 0.26% Ears, nose and throat infections 9 2.31% Central nervous system infections 7 1.80% Systemic infections 5 1.29%

Exercise 8.6 Using the information in the table below for University Hospital, calculate the complication rate for each service and the total for this quarterly period. Round to two decimal places. University Hospital Statistics January- March 20XX Service Discharges and Deaths Complications Complication Rate Medicine 2,742 197 7.18% Surgery 2,075 208 10.02% Obstetrics 492 7 1.42% Newborn 490 3 0.61% Total 5,799 415 7.16% Exercise 8.7 Using the information below, calculate the complication rates by physician and the total for this semiannual period for Community Hospital. Round to two decimal places. Community Hospital Complication Rate by Physician January–June, 20XX Physician No. No. Discharges and Deaths No. Complications Complication Rate 102 298 2 0.67% 237 247 4 1.62% 391 110 3 2.73% 518 144 2 1.39% 637 206 3 1.46% 802 82 1 1.22% 900 100 3 3.00% Total 1,187 18 1.52%

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Exercise 8.8 Using the information in the table below, calculate the C- section rate and the vaginal delivery rate at University Hospital for the semiannual period. Round to two decimal places. LOOK AT THE CHART IN THE TEXTBOOK …. ANSWERS: C-SECTION RATE: 20.04% VAGINAL DELIVERY RATE: 79.96%

Exercise 8.9 Using the information in the table below, calculate the C- section rate, the newborn death rate, and the fetal death rate at University Hospital for the month of July. Round to two decimal places. LOOK AT THE CHART IN THE TEXTBOOK …. ANSWERS: C-SECTION RATE: 15.38% NEWBORN DEATH RATE: 0.77% FETAL DEATH RATE: 2.99%

Exercise 8.10 Using the information in the table below, calculate the consultation rate at Community Hospital for each service and the total for the semiannual period. Round to two decimal places. Semiannual Statistics July–December 20XX Service Discharges and Deaths No. of Patients Receiving Consultations Consultation Rate Medicine 3,240 962 29.69% Surgery 3,745 827 22.08% Obstetrics 690 35 5.07% Psychiatric 155 10 6.45% Rehabilitation 132 15 11.36% Pediatrics 387 49 12.66% Newborn 685 4 0.58% Total 9,034 1,902 21.05%

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Exercise 8.11 Using the information in the table below, calculate the rates requested below for Community Hospital. In this exercise, the deaths are included in the discharges. Round to two decimal places. Community Hospital Surgery Service Annual Statistics 20XX Month Discharges includingDeat hs Deaths Consults Consultation Rate Gross Death Rate January 602 18 119 19.77% 2.99% February 675 12 107 15.85% 1.78% March 598 11 92 15.38% 1.84% April 555 14 74 13.33% 2.52% May 630 10 105 16.67% 1.59% June 592 6 96 16.22% 1.01% July 581 9 85 14.63% 1.55% August 593 7 72 14.33% 1.18% Sept 621 5 89 14.33% 0.81% October 610 12 56 9.18% 1.97% November 601 10 95 15.81% 1.66% December 581 14 82 14.11% 2.41% ANSWERS: 7,239 128 1,072 14.81% 1.77%

Exercise 8.12 Using the information in the table below, calculate the consultation rates by physician for Community Hospital. Round to two decimal places. Physician No. No. Discharges and Deaths No. Consultations Consultation Rate 102 298 12 4.03% 237 247 3 1.21% 391 110 7 6.36% 518 144 8 5.56% 637 206 5 2.43% 802 82 12 14.63% 900 100 10 10.00% Total 1,187 57 4.80% Exercise 8.13 Using the information in the table below, calculate the readmission rates for each month and the semiannual period for University Hospital, using the following formula. Round to two decimal places. University Hospital Surgery Service Semiannual Statistics July–December 20XX Month No. Of Patients Discharged Alive No. of Patients Readmitted within 30 Days of the Previous Readmission Rate Discharge July 673 38 5.65% August 765 43 5.62% September 789 49 6.21% October 750 32 4.27%

November 769 36 4.68% December 778 45 5.78% Total 4,524 243 5.37% Exercise 8.14 Using the information in the table below, calculate the readmission rates requested below for Community Hospital. Round to two decimal places. Community Hospital Semiannual Statistics, 20XX Readmission by Selected MS-DRGs MS-DRG Title No. Live Disch No. Readmissions within 30 days of previous discharge Readmission Rate 190 COPD with MCC 12 2 16.67% 191 COPD with CC 14 5 35.71% 192 COPD without CC/MCC 42 11 26.19% 193 Simple pneumonia & pleurisy with MCC 8 1 12.50% 194 Simple pneumonia & pleurisy with CC 15 4 26.67% 195 Simple pneumonia & pleurisy without CC / MCC 97 8 8.25% 280 Acute myocardial infarction discharged alive, with MCC 10 3 30.00% 281 Acute myocardial 8 2 25.00%

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infarction discharged alive, with CC 282 Acute myocardial infarction discharged alive, 180 10 5.56% without CC/MCC 291 Heart Failure & Shock with MCC 3 1 33.33% 292 Heart Failure & Shock with CC 6 1 16.67% 293 Heart Failure & Shock without CC/MCC 63 2 3.17% 469 Major joint replacement or reattachment, lower extremity with MCC 15 2 13.33% 470 Major joint replacement or reattachment, lower extremity without MCC 49 4 8.16%

Exercise 8.15 Using the information in the table below, calculate the rate of readmitted patients by physician at Community Hospital for each month and for this quarter. Round to two decimal places. Semiannual Statistics, 20XX Readmissions by Physicians Physician No. of Live Discharges No. of Readmissions within 30 days of Previous Discharge Readmission Rate 102 298 8 2.68% 237 247 4 1.62% 391 110 3 2.73% 518 144 2 1.39% 637 206 12 5.83% 802 82 6 7.32% 900 100 5 5.00% Total 1,187 40 3.37% Exercise 8.16 Using the information in the table below for University Hospital, calculate the rate of accounts turned over to collection for each month and for the period. Use the formula for a rate to make these calculations. Round to two decimal places .

Month No. of No. of Accounts Rate of Accounts Turned Over to a Discharges and Deaths Turned Over to a Collection Agency Collection Agency January 413 36 8.72% February 437 41 9.38% March 453 43 9.49% April 429 26 6.06% May 463 35 7.56% June 423 20 4.73% Total 2,618 201 7.68% Exercise 8.17 Using the information in the table below, calculate the rates requested for the Medicine Service at Community Hospital. Round to two decimal places. Community Hospital Medicine Service Selected Annual Statistics, 20XX Total Hospital Discharges: 9,845 Medicine Service Number Discharges and Deaths 5,967 Complications 236 Hospital-acquired infections 89 Deaths (included in discharges) 71 Payer information: Medicare 1,016 Medicaid 923 Third-party insurance 3,237 Self-pay 791 Selected patients: Primary diagnosis: Asthma 370

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Cancer 875 Diabetes and its complications 736 HIV/AIDS 92 Hypertension 701 Myocardial Infarction 561 Answer: 1. 60.61% 2. 3.96% 3. 1.49% 4. 1.19% 5. A:17.03% B: 15.47% C: 54.25% D: 13.26% 6. A. 6.20% B. 14.66% C. 12.33% D. 1.54% E. 11.75% F. 9.40%

Chapter 8 EXERCISES

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