Association of operative findings and early postoperative outcomes with 1-year mortality
| Operative findings and early morbidity | Died n (%) | Alive n (%) | OR (95% CI) | aOR (95% CI)* | |
| Definitive diagnosis of SIP at laparotomy | Yes | 11 (21%) | 21 (15%) | 1.5 (0.6 to 3.6) p=0.3 | 1.1 (0.4 to 3.4) p=0.8 |
| No | 41 (79%) | 118 (85%) | |||
| At least one region of colon unaffected by NEC | Yes | 43 (86%) | 137 (99%) | 0.04 (0.001 to 0.4) p=0.0001 | 0.01 (0.0007 to 0.19) p=0.002 |
| No | 7 (14%) | 1 (1%) | |||
| Need for parenteral nutritional support at 28 days post-decision to intervene | Yes | 52 (88%) | 90 (62%) | 4.5 (1.8 to 12.4) p=0.0003 | 3.5 (1.1 to 11.03) p=0.034 |
| No | 7 (12%) | 54 (38%) | |||
*Adjusted for factors retained in preoperative model in addition to factors included in operative findings and early morbidity model.
NEC, necrotising enterocolitis.