Question
End Result Hospital is examining their LOS for coronary artery bypass surgery (CABG). Using past research, they collected data on LOS, patient age, smoking, BMI,
End Result Hospital is examining their LOS for coronary artery bypass surgery (CABG). Using past research, they collected data on LOS, patient age, smoking, BMI, comorbidities, and hospital-acquired infections, Using the Chapter09.xls file under the Problem 09-10 tab, interpret adjusted R2, F, and the intercept. Which variables have a statistically significant relationship with LOS, and how do they affect LOS?
| Problem 9.10 - Cardiac Surgery, Value with CABG | ||||||
| Patient | LOS | Age | Smoke | BMI | CC | HAI |
| 1 | 7 | 54 | 1 | 30.2 | 0 | 0 |
| 2 | 9 | 68 | 1 | 28.3 | 3 | 0 |
| 3 | 11 | 83 | 1 | 24.7 | 4 | 0 |
| 4 | 8 | 50 | 0 | 29.5 | 2 | 0 |
| 5 | 8 | 75 | 1 | 29.2 | 3 | 0 |
| 6 | 11 | 95 | 1 | 29.6 | 4 | 0 |
| 7 | 11 | 86 | 1 | 26.9 | 5 | 1 |
| 8 | 13 | 95 | 1 | 26.3 | 7 | 1 |
| 9 | 8 | 65 | 1 | 31.7 | 4 | 0 |
| 10 | 8 | 96 | 1 | 28.9 | 2 | 0 |
| 11 | 8 | 53 | 1 | 26.4 | 3 | 0 |
| 12 | 9 | 73 | 0 | 25.0 | 6 | 0 |
| 13 | 9 | 82 | 1 | 28.3 | 2 | 0 |
| 14 | 8 | 50 | 1 | 29.4 | 2 | 0 |
| 15 | 9 | 80 | 1 | 24.5 | 3 | 0 |
| 16 | 8 | 70 | 1 | 31.4 | 1 | 1 |
| 17 | 7 | 62 | 0 | 30.7 | 3 | 0 |
| 18 | 8 | 69 | 0 | 27.9 | 2 | 0 |
| 19 | 5 | 36 | 0 | 25.3 | 2 | 0 |
| 20 | 8 | 78 | 1 | 24.2 | 1 | 0 |
| 21 | 9 | 84 | 0 | 25.4 | 5 | 0 |
| 22 | 9 | 46 | 1 | 29.7 | 5 | 0 |
| 23 | 10 | 76 | 0 | 32.9 | 2 | 1 |
| 24 | 9 | 74 | 0 | 24.4 | 6 | 0 |
| 25 | 5 | 47 | 1 | 29.9 | 1 | 0 |
| 26 | 8 | 74 | 0 | 29.6 | 6 | 0 |
| 27 | 7 | 58 | 0 | 28.4 | 1 | 0 |
| 28 | 9 | 81 | 1 | 27.0 | 4 | 0 |
| 29 | 9 | 76 | 1 | 25.9 | 5 | 0 |
| 30 | 11 | 87 | 1 | 31.0 | 1 | 0 |
| 31 | 8 | 46 | 0 | 25.7 | 1 | 0 |
| 32 | 6 | 48 | 0 | 21.8 | 5 | 0 |
| 33 | 7 | 39 | 1 | 24.8 | 5 | 0 |
| 34 | 10 | 47 | 1 | 29.8 | 4 | 0 |
| 35 | 8 | 45 | 1 | 29.8 | 1 | 0 |
| 36 | 9 | 89 | 1 | 26.5 | 3 | 0 |
| 37 | 6 | 54 | 0 | 27.8 | 2 | 0 |
| 38 | 9 | 74 | 0 | 23.7 | 3 | 0 |
| 39 | 7 | 58 | 1 | 27.2 | 2 | 0 |
| 40 | 8 | 83 | 1 | 30.4 | 2 | 0 |
| 41 | 8 | 66 | 1 | 30.4 | 1 | 1 |
| 42 | 8 | 89 | 1 | 30.8 | 5 | 0 |
| 43 | 9 | 42 | 1 | 29.0 | 5 | 0 |
| 44 | 8 | 57 | 1 | 29.4 | 2 | 0 |
| 45 | 5 | 40 | 0 | 25.4 | 1 | 0 |
| 46 | 7 | 59 | 1 | 22.8 | 4 | 0 |
| 47 | 6 | 53 | 1 | 23.5 | 0 | 0 |
| 48 | 8 | 65 | 1 | 24.5 | 3 | 0 |
| 49 | 10 | 78 | 1 | 32.2 | 1 | 0 |
| 50 | 6 | 51 | 0 | 24.9 | 0 | 0 |
| 51 | 8 | 51 | 1 | 30.0 | 3 | 0 |
| 52 | 10 | 52 | 1 | 28.1 | 1 | 0 |
| 53 | 7 | 60 | 0 | 26.5 | 1 | 0 |
| 54 | 10 | 82 | 1 | 32.6 | 4 | 0 |
| 55 | 9 | 96 | 1 | 30.9 | 6 | 0 |
| 56 | 8 | 98 | 1 | 26.4 | 2 | 0 |
| 57 | 9 | 75 | 1 | 30.1 | 3 | 0 |
| 58 | 10 | 78 | 1 | 32.6 | 4 | 0 |
| 59 | 10 | 86 | 1 | 29.0 | 5 | 0 |
| 60 | 9 | 90 | 0 | 25.1 | 1 | 0 |
| 61 | 9 | 69 | 1 | 24.1 | 3 | 1 |
| 62 | 6 | 54 | 1 | 31.2 | 4 | 0 |
| 63 | 7 | 62 | 1 | 25.6 | 4 | 0 |
| 64 | 8 | 81 | 0 | 29.2 | 3 | 1 |
| 65 | 10 | 80 | 1 | 29.6 | 7 | 1 |
| 66 | 10 | 81 | 0 | 26.3 | 6 | 1 |
| 67 | 6 | 56 | 0 | 30.3 | 0 | 0 |
| 68 | 8 | 87 | 0 | 31.8 | 2 | 0 |
| 69 | 9 | 81 | 1 | 28.9 | 5 | 0 |
| 70 | 14 | 93 | 1 | 25.6 | 3 | 1 |
| 71 | 7 | 61 | 1 | 27.1 | 6 | 0 |
| 72 | 6 | 46 | 0 | 28.4 | 3 | 0 |
| 73 | 7 | 61 | 0 | 31.9 | 3 | 0 |
| 74 | 8 | 92 | 1 | 27.5 | 0 | 0 |
| 75 | 9 | 74 | 0 | 29.3 | 5 | 0 |
| 76 | 6 | 51 | 1 | 25.9 | 4 | 0 |
| 77 | 12 | 96 | 0 | 30.6 | 7 | 1 |
| 78 | 9 | 97 | 1 | 33.5 | 0 | 0 |
| 79 | 8 | 67 | 0 | 26.3 | 3 | 0 |
| 80 | 9 | 72 | 0 | 27.1 | 5 | 0 |
| 81 | 9 | 75 | 0 | 27.2 | 2 | 0 |
| 82 | 9 | 78 | 1 | 31.7 | 6 | 0 |
| 83 | 10 | 89 | 1 | 30.8 | 5 | 0 |
| 84 | 10 | 87 | 0 | 30.0 | 4 | 0 |
| 85 | 8 | 42 | 0 | 22.5 | 0 | 0 |
| 86 | 10 | 89 | 1 | 26.6 | 3 | 0 |
| 87 | 8 | 66 | 0 | 28.5 | 3 | 0 |
| 88 | 6 | 52 | 1 | 28.4 | 1 | 0 |
| 89 | 7 | 59 | 0 | 25.7 | 0 | 0 |
| 90 | 9 | 42 | 1 | 30.6 | 4 | 0 |
| 91 | 7 | 60 | 1 | 23.9 | 3 | 0 |
| 92 | 8 | 70 | 1 | 29.1 | 1 | 0 |
| 93 | 9 | 79 | 1 | 28.8 | 3 | 0 |
| 94 | 8 | 90 | 0 | 29.3 | 1 | 0 |
| 95 | 9 | 88 | 1 | 32.2 | 2 | 0 |
| 96 | 10 | 80 | 0 | 25.5 | 5 | 0 |
| 97 | 6 | 47 | 1 | 29.7 | 0 | 0 |
| 98 | 7 | 60 | 1 | 29.6 | 2 | 0 |
| 99 | 8 | 71 | 1 | 29.0 | 6 | 0 |
| 100 | 10 | 78 | 0 | 32.3 | 3 | 0 |
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Trigonometry A Unit Circle Approach (Subscription)
Authors: Michael Sullivan
9th Edition
032183075X, 9780321830753
