Univariate logistic regression analyses to identify risk factors for specific postoperative complications among inpatients diagnosed with colorectal cancer
| Respiratory complications | Digestive system complications | |||
| OR (95% CI) | P values | OR (95% CI) | P values | |
| Chronic liver diseases | ||||
| No | Reference | Reference | ||
| Yes | 0.62 (0.38 to 1.00) | 0.048 | 1.04 (0.86 to 1.26) | 0.697 |
| Race | ||||
| White | Reference | Reference | ||
| Black | 0.60 (0.30 to 1.18) | 0.139 | 1.32 (1.02 to 1.72) | 0.034 |
| Hispanic | 0.61 (0.23 to 1.59) | 0.312 | 0.70 (0.45 to 1.08) | 0.106 |
| Asian or Pacific islander | NA | NA | 1.14 (0.63 to 2.08) | 0.668 |
| Native American | NA | NA | 0.47 (0.06 to 3.67) | 0.474 |
| Other/Missing | 1.06 (0.69 to 1.63) | 0.776 | 0.99 (0.81 to 1.23) | 0.957 |
| Median household income | ||||
| Quartile 1 | Reference | Reference | ||
| Quartile 2 | 1.15 (0.71 to 1.86) | 0.577 | 1.05 (0.83 to 1.32) | 0.706 |
| Quartile 3 | 0.84 (0.50 to 1.39) | 0.492 | 1.00 (0.78 to 1.27) | 0.990 |
| Quartile 4 | 1.05 (0.63 to 1.74) | 0.857 | 1.21 (0.96 to 1.54) | 0.112 |
| Others | 0.96 (0.27 to 3.44) | 0.953 | 1.24 (0.71 to 2.18) | 0.454 |
| Location of hospital | ||||
| Rural | Reference | Reference | ||
| Urban non-teaching | 0.91 (0.55 to 1.48) | 0.694 | 1.08 (0.82 to 1.40) | 0.588 |
| Urban teaching | 0.46 (0.27 to 0.76) | 0.003 | 0.95 (0.73 to 1.24) | 0.710 |
| Others | NA | NA | 2.16 (0.82 to 5.69) | 0.120 |
| Types of admission | ||||
| Non-elective | Reference | Reference | ||
| Elective | 1.06 (0.72 to 1.56) | 0.777 | 1.01 (0.84 to 1.22) | 0.879 |
| Others | NA | NA | 0.98 (0.21 to 4.46) | 0.977 |
| Length of hospital stay | 1.04 (1.02 to 1.06) | 0.001 | 1.05 (1.04 to 1.06) | <0.001 |
| Hyperlipidaemia | ||||
| No | Reference | Reference | ||
| Yes | 0.74 (0.48 to 1.15) | 0.183 | 1.01 (0.83 to 1.22) | 0.948 |
| Obesity | ||||
| No | Reference | Reference | ||
| Yes | 1.24 (0.72 to 2.14) | 0.441 | 1.14 (0.88 to 1.48) | 0.328 |
P<0.05 is shown in bold.
NA, not available.