Research Article
Screening Retinopathy of Prematurity in Extremely Low Birth Weight Infants in China and the Need for Earlier Screening Times
Table 1
Demographics of different group infants with birth weight ≤ 1000 g.
| | Variables | Group A (no rop) | Group B (light) | Group C (severe) | value |
| | Gender, (%) male | 16 (16/21) (76.2%) | 11 (11/18) (61.1%) | 26 (26/38) (68.4%) | | | Birth weight (g), mean (SD) | 898.6 (102.6) | 936.7 (101.5) | 886.6 (115.3) | | | Gestational age (weeks), mean (SD) | 29.1 (2.0) | 28.0 (2.0) | 27.8 (1.4) | | | PMA of onset of ROP (weeks), mean (SD) | | 36.5 (1.9) | 34.3 (1.7) | |
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square test.
of variance.
SD: standard deviation.
PMA: postmenstrual age.
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