Table 2 Association between probable risk factors and time to complete retinal vascularization in retinopathy of prematurity patients
Parameter | Level | Total (%) | Full vessel (%) | Adjusted model | Final model | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AHR | 95% CI | p | AHR | 95% CI | p | |||||||
Lower | Upper | Lower | Upper | |||||||||
GA 30 weeks | Under 30 | 739 (86%) | 514 (72.9%) | 0.734 | 0.574 | 0.939 | 0.014 | 0.718 | 0.566 | 0.912 | 0.007 | GAC30 |
31 + | 120 (%14) | 96 (82.2%) | Ref | |||||||||
BW 1000 g | Under 1000 | 400 (46%) | 266 (69.5%) | 0.866 | 0.727 | 1.031 | 0.106 | 0.853 | 0.718 | 1.012 | 0.069 | BW1000 |
1000 + | 459 (53%) | 344 (78.4%) | Ref | |||||||||
Gender | Male | 252 (57%) | 193 (76.7%) | 0.967 | 0.819 | 1.141 | 0.690 | |||||
Female | 189 (43%) | 188 (71.3%) | Ref | |||||||||
NVI | Yes | 54 (6%) | 33 (68.8%) | 0.742 | 0.515 | 1.070 | 0.110 | 0.714 | 0.501 | 1.019 | 0.063 | NVI |
No | 811 (94%) | 584 (74.8%) | Ref | |||||||||
Twin | Yes | 210 (24%) | 148 (73.0%) | 1.204 | 0.990 | 1.464 | 0.063 | 1.227 | 1.016 | 1.482 | 0.034 | Twin |
No | 655 (76%) | 468 (74.9%) | Ref | |||||||||
O2 therapy | Yes | 764 (88%) | 537 (73.7%) | 0.944 | 0.737 | 1.210 | 0.650 | |||||
No | 99 (11%) | 79 (79.8%) | Ref | |||||||||
Intubation | Yes | 348 (40%) | 236 (70.9%) | 0.809 | 0.674 | 0.971 | 0.023 | 0.793 | 0.669 | 0.939 | 0.007 | Intubation |
No | 515 (60%) | 380 (76.8%) | Ref | |||||||||
Transfusion | Yes | 491 (57%) | 351 (74.7%) | 0.906 | 0.751 | 1.092 | 0.300 | |||||
No | 372 (43%) | 264 (74.0%) | Ref | |||||||||
IVH | Yes | 62 (7%) | 43 (72.9%) | 1.134 | 0.827 | 1.556 | 0.434 | |||||
No | 801 (93%) | 572 (74.5%) | Ref | |||||||||
Sepsis | Yes | 340 (39%) | 233 (71.3%) | 1.001 | 0.829 | 1.207 | 0.996 | |||||
No | 523 (60%) | 382 (76.4%) | Ref | |||||||||
Phototherapy | Yes | 572 (66%) | 403 (74.5%) | 0.797 | 0.658 | 0.966 | 0.020 | 0.783 | 0.659 | 0.929 | 0.005 | Photo therapy |
No | 291 (33%) | 212 (74.2%) | Ref | |||||||||
Anemia | Yes | 76 (9%) | 35 (48.6%) | 1.493 | 0.997 | 2.237 | 0.052 | 1.428 | 1.003 | 2.034 | 0.048 | Anemia |
No | 787 (91%) | 579 (76.9%) | Ref | |||||||||
ARDS | Yes | 457 (53%) | 360 (82.6%) | 1.005 | 0.823 | 1.227 | 0.961 | |||||
No | 406 (47%) | 255 (65.3%) | Ref | |||||||||
Pretreatment zone | 1 | 187 (21%) | 112 (60%) | 0.899 | 0.723 | 1.117 | 0.335 | |||||
2 | 678 (78%) | 506 (74%) | Ref | |||||||||