Multivariate linear regression analysis of variables found to be associated with the outcomes of time to full feeds, duration of parenteral nutrition and length of stay in univariate regression analysis
| Variables | Time to full feeds (days) | Duration of PN (days) | Length of stay (days) | |||
| Est (95% CI) | P value | Est (95% CI) | P value | Est (95% CI) | P value | |
| Gestation (weeks) | −4.1 (−11.0 to 2.8) | 0.23 | −4.2 (−11.0 to 2.6) | 0.22 | −5.9 (−13.9 to 2.1) | 0.15 |
| Birth weight (kg) | 0.00 (−0.02 to 0.03) | 0.62 | 0.00 (−0.01 to 0.03) | 0.61 | 0.00 (−0.02 to 0.03) | 0.86 |
| Mode of delivery | −6.1 (−27.6 to 15.3) | 0.57 | −6.3 (−27.6 to 15.0) | 0.56 | −0.83 (−26.7 to 25.0) | 0.95 |
| Time of birth | −19.8 (−41.4 to 1.9) | 0.07 | −20.0 (−41.5 to 1.5) | 0.07 | −9.02 (−35.0 to 17.0) | 0.49 |
| Time of procedure | 18.6 (−3.3 to 40.5) | 0.09 | 18.3 (−3.5 to 40.0) | 0.10 | 20.5 (−5.9 to 46.9) | 0.13 |
| Time from birth to first management (mins) | 0.04 (−0.04 to 0.11) | 0.31 | 0.04 (−0.0 to 0.1) | 0.30 | −0.01 (−0.09 to 0.07) | 0.82 |
| Primary versus delayed closure | 16.5 (9.8 to 76.0) | 0.01 | 43.0 (10.1 to 75.9) | 0.01 | 32.4 (−6.7 to 71.5) | 0.10 |
| No patch versus patch closure | −11.2 (−44.0 to 21.6) | 0.50 | −11.0 (−43.6 to 21.6) | 0.50 | −0.1 (−39.5 to 39.2) | >0.99 |
| Days to first feed | 0.98 (−0.7 to 2.6) | 0.23 | 0.97 (−0.6 to 2.6) | 0.23 | 2.34 (0.5 to 4.2) | 0.01 |
Time of procedure (0—08:00 to 19:59, 1—20:00 to 07:59), primary (0) versus delayed (1) closure, no patch (0) versus patch (1). The results shown are the estimated relationship between the variable and outcome (r2) and the 95% CI.
CI, confidential interval; PN, parenteral nutrition.