From: Retrospective cohort study of neonatal blood transfusion in China
 | RBT | NRBT | P | OR | CI | |
---|---|---|---|---|---|---|
 | Lower | Upper | ||||
ROP n(%) | ||||||
  < 1500 g | 28(10.65) | 128(12.14) | 0.593 | 1.16 | 0.752 | 1.789 |
 1500-2500 g | 39(3.53) | 13(4.38) | 0.491 | 1.25 | 0.658 | 2.373 |
  ≥ 2500 g | 20(1.95) | 15(8.43) | 0.000 | 4.624 | 2.32 | 9.216 |
PVL n(%) | ||||||
  < 1500 g | 5(1.90) | 21(1.99) | 1.000 | 1.049 | 0.392 | 2.808 |
 1500-2500 g | 28(2.54) | 5(1.68) | 0.519 | 0.658 | 0.252 | 1.719 |
  ≥ 2500 g | 9(0.88) | 1(0.56) | 1.000 | 0.638 | 0.08 | 5.065 |
BPD n(%) | ||||||
  < 1500 g | 48(18.25) | 167(15.84) | 0.352 | 0.843 | 0.592 | 1.201 |
 1500-2500 g | 56(5.07) | 10(3.37) | 0.280 | 0.652 | 0.329 | 1.294 |
  ≥ 2500 g | 8(0.78) | 4(2.25) | 0.088 | 2.922 | 0.871 | 9.81 |
NEC n(%) | ||||||
  < 1500 g | 11(4.18) | 55(5.22) | 0.635 | 1.261 | 0.651 | 2.445 |
 1500-2500 g | 28(2.54) | 19(6.40) | 0.003 | 2.626 | 1.445 | 4.773 |
  ≥ 2500 g | 9(0.88) | 0(0.00) | 0.371 |  |  |  |
IVH n(%) | ||||||
  < 1500 g | 88(33.46) | 339(32.16) | 0.713 | 0.943 | 0.708 | 1.256 |
 1500-2500 g | 247(22.37) | 54(18.18) | 0.131 | 0.771 | 0.556 | 1.069 |
  ≥ 2500 g | 110(10.73) | 16(8.99) | 0.596 | 0.822 | 0.474 | 1.425 |