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Risk of constipation and failure to thrive at different stage of NEC.
| Incidence rate | NEC (n = 1,145) | Adjusted HR (95% CI) | |
|---|---|---|---|
| Stage I+II (n = 975) (reference) | Stage III (n = 170) | ||
| Constipation | 4.88 | 4.68 | 0.812 (0.544–1.213) |
| Failure to thrive | 0.64 | 3.36 | 3.408 (1.939–5.988) |
Rate: per 1,000 person months.
CI, confidence interval; HR, hazard ratio; NEC, necrotizing enterocolitis.
