Table 5.
Overall (n = 2,664) | Normal (n = 1,873) | Overweight (n = 405) | Obese (n = 276) | Morbidly Obese (n = 110) | P value | |
---|---|---|---|---|---|---|
Any complication | 7.17% | 7.05% | 7.90% | 7.61% | 5.45% | 0.82a |
Death within 30 days | 0.53% | 0.59% | 0.25% | 0.36% | 0.91% | 0.68b |
Specific complications: | ||||||
Superficial incisional infection | 1.09% | 1.28% | 0.25% | 1.45% | 0.00% | 0.19b |
Deep incisional infection | 0.15% | 0.11% | 0.25% | 0.36% | 0.00% | 0.40b |
Organ space infection | 1.46% | 1.44% | 1.73% | 1.45% | 0.91% | 0.97b |
Wound disruption/dehiscence | 0.30% | 0.11% | 1.23% | 0.36% | 0.00% | 0.01b |
Pneumonia | 0.15% | 0.21% | 0.00% | 0.00% | 0.00% | 1.00b |
Unplanned intubation | 0.41% | 0.27% | 0.74% | 0.72% | 0.91% | 0.14b |
Acute renal failure | 0.08% | 0.05% | 0.25% | 0.00% | 0.00% | 0.51b |
Urinary tract infection | 0.90% | 0.91% | 0.49% | 1.45% | 0.91% | 0.56b |
Thromboembolic event requiring treatment | 0.08% | 0.05% | 0.25% | 0.00% | 0.00% | 0.51b |
Central line associated bloodstream infection | 0.15% | 0.16% | 0.25% | 0.00% | 0.00% | 0.76b |
Measures of hospital utilization | ||||||
Mean duration of anesthesia, minutes (SD) | 132.03 (97.98) | 127.70 (91.77) | 141.58 (114.94) | 144.58 (110.80) | 139.05 (94.19) | 0.01c |
Operation time, minutes (SD) | 83.08 (80.05) | 79.27 (74.22) | 92.38 (95.65) | 92.34 (91.47) | 90.61 (78.03) | 0.002c |
Mean mechanical ventilation days (SD) | 0.31 (2.27) | 0.32 (2.25) | 0.27 (2.33) | 0.42 (2.59) | 0.20 (1.24) | 0.80c |
Mean length of stay, days (SD) | 4.45 (10.31) | 4.53 (10.84) | 4.80 (10.47) | 3.98 (7.58) | 3.15 (4.88) | 0.41c |
Readmissions | 6.08% | 6.19% | 6.17% | 5.43% | 5.45% | 0.96a |
Mean work RVU (SD) | 22.19 (8.15) | 22.26 (7.93) | 22.08 (9.05) | 22.02 (8.73) | 21.82 (6.73) | 0.91c |
Footnotes: Statistical tests are indicated in the column after the p value
represents chi2
represents Fisher exact
represents ANOVA.