Table 4 Short-term outcomes of VPIs in the LO-NEC and non-LO-NEC groups
Outcomes | LO-NEC (n = 212) | non-LO-NEC (n = 2297) | χ2/Z | P |
|---|---|---|---|---|
LOS, n(%) | 53 (25.0) | 270(11.8) | 30.359 | < 0.001 |
Moderate and severe BPD, n(%) | 37 (17.5) | 363(15.8) | 0.394 | 0.530 |
ROP requiring intervention, n(%) | 9 (4.2) | 70 (3.0) | 0.913 | 0.339 |
IVH (grade 3 or 4), n(%) | 2 (0.9) | 48 (2.1) | 1.306 | 0.253 |
PVL, n(%) | 9 (4.2) | 84 (3.7) | 0.188 | 0.664 |
MBDP, n(%) | 13 (6.1) | 57 (2.5) | 9.537 | 0.002 |
PNAC, n(%) | 53 (25.0) | 205 (8.9) | 54.365 | < 0.001 |
EUGR, n(%) | 134 (63.2) | 1046 (45.5) | 25.132 | < 0.001 |