Table 1

Univariate association between variables and the outcomes of time to full feeds, duration of parenteral nutrition and length of stay

VariablesTime to full feeds (days)Duration of PN (days)Length of stay (days)
r2P valuer2P valuer2P value
Gestation (weeks)
36+4 (35+3 to 37+4)
−0.060.06−0.060.050.070.04
Birth weight (kg)
2.52 (2.09–2.81)
−0.050.08−0.050.080.080.02
Mode of delivery
0: 43 (61%); 1: 27 (39%)
0.0020.750.0020.730.0040.61
Time of birth
0: 39 (56%); 1: 31 (44%)
0.050.080.060.080.000.45
Time from birth to procedure (mins)
463 (370–547)
0.030.160.030.150.000.82
Time of procedure
0: 30 (43%); 1: 40 (57%)
0.090.020.080.020.100.01
Primary versus delayed closure
0: 41 (59%); 1: 29 (41%)
0.28<0.00010.28<0.00010.31<0.0001
No patch versus patch closure
0: 54 (77%); 1: 16 (23%)
0.120.0050.120.0040.180.0005
Days to first feed
9.5 (6.0–19.8)
0.210.00010.210.00010.36<0.0001
  • Mode of delivery (0—vaginal, 1—cesarean section), time of birth (0—08:00 to 19:59, 1—20:00 to 07:59), 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).

  • Data were presented as median (IQR) or number (percentage).

  • IQR, interquartile range; PN, parenteral nutrition.