Table 3.
Basic Statistics | Univariate Model RR | Multivariate Model RR | |||||||
---|---|---|---|---|---|---|---|---|---|
Characteristics | Entire Cohort N=37748 | Discharged n=7416 | P | RR & 95% CI | P | Global P | RR & 95% CI | P | Global P |
Type of surgery/procedure | |||||||||
Gastrectomy | 9791 (25.9) | 1861 (19.0) | 0.1184 | Ref. | 0.1148 | Ref. | <.0001 | ||
Cystectomy | 14294 (37.9) | 2843 (19.9) | 1.05 (0.99 – 1.10) | 0.0902 | 1.52 (1.44 – 1.60) | <.0001 | |||
Pancreaticoduodenectomy | 10845 (28.7) | 2182 (20.1) | 1.06 (1.00 – 1.12) | 0.0445 | 1.15 (1.09 – 1.21) | <.0001 | |||
Esophagectomy | 2818 (7.5) | 530 (18.8) | 0.99 (0.91 – 1.08) | 0.8119 | 1.27 (1.17 – 1.39) | <.0001 | |||
Age (years) | |||||||||
65–69 | 11448 (30.3) | 1373 (12.0) | Ref. | <.0001 | Ref. | <.0001 | |||
70–74 | 8304 (22.0) | 1281 (15.4) | 1.29 (1.20 – 1.38) | <.0001 | 1.27 (1.18 – 1.36) | <.0001 | |||
75–79 | 9133 (24.2) | 2004 (21.9) | 1.83 (1.72 – 1.95) | <.0001 | 1.76 (1.65 – 1.87) | <.0001 | |||
80–84 | 6035 (16.0) | 1734 (28.7) | 2.40 (2.25 – 2.55) | <.0001 | 2.27 (2.13 – 2.41) | <.0001 | |||
≥85 | 2828 (7.5) | 1024 (36.2) | 3.02 (2.82 – 3.24) | <.0001 | 2.75 (2.57 – 2.95) | <.0001 | |||
Gender | |||||||||
Male | 25021 (66.3) | 4372 (17.5) | <.0001 | Ref. | <.0001 | Ref. | <.0001 | ||
Female | 12727 (33.7) | 3044 (23.9) | 1.37 (1.31 – 1.43) | <.0001 | 1.40 (1.34 – 1.46) | <.0001 | |||
Race | |||||||||
White | 31778 (84.2) | 6185 (19.5) | <.0001 | Ref. | <.0001 | Ref. | 0.0331 | ||
Black | 3314 (8.8) | 749 (22.6) | 1.16 (1.09 – 1.24) | <.0001 | 1.09 (1.02 – 1.16) | 0.0130 | |||
Other | 2656 (7.0) | 482 (18.1) | 0.93 (0.86 – 1.01) | 0.1017 | 0.97 (0.90 – 1.05) | 0.4802 | |||
Charlson Comorbidity Index Score | |||||||||
0 to 1 | 17525 (46.4) | 2656 (15.2) | <.0001 | Ref. | <.0001 | Ref. | <.0001 | ||
2 to 3 | 17831 (47.2) | 3715 (20.8) | 1.37 (1.31 – 1.44) | <.0001 | 1.37 (1.30 – 1.43) | <.0001 | |||
>4 | 2392 (6.3) | 1045 (43.7) | 2.88 (2.72 – 3.05) | <.0001 | 2.40 (2.26 – 2.55) | <.0001 | |||
Hospital length of stay (days) | |||||||||
1–6 | 7619 (20.2) | 716 (9.4) | <.0001 | Ref. | <.0001 | Ref. | <.0001 | ||
7–8 | 9458 (25.1) | 1488 (15.7) | 1.67 (1.54 – 1.82) | <.0001 | 1.58 (1.46 – 1.72) | <.0001 | |||
9–13 | 10360 (27.4) | 2103 (20.3) | 2.16 (2.00 – 2.34) | <.0001 | 2.00 (1.85 – 2.16) | <.0001 | |||
≥14 | 10311 (27.3) | 3109 (30.2) | 3.21 (2.97 – 3.46) | <.0001 | 2.81 (2.60 – 3.02) | <.0001 |