Table 3 Descriptive characteristics of study variables by comorbidity or complication category and proportion of comorbidity and complication category by mean age, LOS, and mortality, stratified by treatment group
Overall | Comorbidity and complication category | |||||
|---|---|---|---|---|---|---|
Absent | One or two | Three or four | Five or more | |||
Mean age* (SD) | 51.23 (23.39) | 47.09 (24.15) | 53.83 (22.34) | 59.05 (20.02) | 59.26 (20.72) | |
Medical | 50.51 (0.07) | 46.15 (0.10) | 52.56 (0.11) | 58.19 (0.16) | 57.53 (0.34) | |
Surgical | 52.18 (0.07) | 47.98 (0.09) | 55.29 (0.11) | 60.20 (0.16) | 60.91 (0.28) | |
Mean LOS* (SE) | 22.15 (0.051) | 17.38 (0.06) | 23.44 (0.09) | 30.60 (0.16) | 45.47 (0.40) | |
Medical | 20.39 (0.07) | 16.02 (0.09) | 21.12 (0.12) | 27.50 (0.20) | 42.52 (0.56) | |
Surgical | 24.02 (0.07) | 18.67 (0.08) | 26.12 (0.14) | 34.74 (0.27) | 48.30 (0.56) | |
Mean mortality per 1,000 cases* (SE) | 26.05 (0.32) | 13.51 (0.33) | 26.94 (0.58) | 49.69 (1.21) | 104.09 (3.24) | |
Medical | 36.92 (0.54) | 21.90 (0.60) | 37.22 (0.92) | 62.29 (1.78) | 130.63 (5.11) | |
Surgical | 14.58 (0.35) | 5.58 (0.30) | 15.06 (0.64) | 32.91 (1.52) | 78.76 (3.99) | |