Table IV.
Baseline characteristics of propensity matched groups, early operative intervention versus late operative intervention
| Characteristic |
Early
(n = 5,694) |
Late
(n = 5,694) |
P value |
|---|---|---|---|
| Age, y | 65.7 | 65.1 | <.001 |
| Sex, female, % | 61.8% | 62.3% | .226 |
| Comorbidities | |||
| Chronic hypertension |
57.7% | 57.4% | .552 |
| Disorder of electrolytes |
40.2% | 39.9% | .512 |
| Chronic lung disease |
19.7% | 20.5% | .022 |
| Anemia | 22.7% | 22.4% | .379 |
| Malnutrition | 8.4% | 7.8% | .006 |
| Diabetes mellitus | 18.9% | 17.4% | <.001 |
| Depression | 10.2% | 10.2% | .843 |
| Chronic renal failure |
8.4% | 7.7% | .004 |
| Congestive heart failure |
8.0% | 7.7% | .245 |
| Peripheral vascular disease |
7.5% | 7.5% | .944 |
| Neurologic disorder |
6.0% | 5.9% | .393 |
| Valvular disease | 6.0% | 6.0% | .923 |
| Disorder of coagulation |
4.2% | 3.8% | .050 |
| Liver disease | 2.9% | 2.5% | .006 |
| Type of obstruction | |||
| Adhesive | 72.3% | 73.0% | .090 |
| Ventral hernia | 15.0% | 18.2% | <.001 |
| Volvulus | 9.7% | 6.3% | <.001 |
| Inflammatory disease |
2.8% | 2.4% | .009 |
| Malignancy | 1.1% | 1.1% | .895 |
| Intussusception | 2.2% | 2.1% | .313 |
| Other | 5.7% | 4.8% | <.001 |