Clinical Study
A Prospective Study of the Incidence of Retinopathy of Prematurity in China: Evaluation of Different Screening Criteria
Table 1
The baseline characteristics of ROP and non-ROP infants.
| | | ROP () | Non-ROP () | value |
| | Sex: male/female | 197/159 | 1549/1092 | 0.252 | | Multiple births (%) | 50 (14.0) | 403 (15.3) | 0.213 | | Supplemental oxygen | 314 (88.2) | 1608 (60.9) | 0.000 | | GA, mean ± SD, wk | 30.47 ± 1.99 | 32.09 ± 1.82 | 0.000 | | BW, mean ± SD, kg | 1.48 ± 0.37 | 1,86 ± 0.43 | 0.000 | | Asphyxia at birth (%) | 87 (24.4) | 421 (15.9) | 0.001 | | Septicemia (%) | 44 (12.4) | 103 (3.9) | 0.000 | | BPD (%) | 67 (18.8) | 56 (2.1) | 0.000 | | Blood transfusions (%) | 100 (28.1) | 365 (13.8) | 0.000 | | NRDS (%) | 203 (57.0) | 760 (28.8) | 0.000 | | Apnea | 37 (10.4) | 103 (3.9) | 0.000 | | Assisted ventilation (%) | 225 (63.2) | 798 (30.2) | 0.000 |
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