RDS分级 | 例数 | BPD分度 | rs | P值 | ||
轻度(例,%) | 中度(例,%) | 中度(例,%) | ||||
RDS I级 | 36 | 19 (52.77) | 12 (33.33) | 5 (13.90) | 0.228 | 0.026 |
RDS II级 | 24 | 14 (58.33) | 6 (25.00) | 4 (16.67) | ||
RDS III级 | 16 | 6 (37.5) | 9 (56.25) | 1 (6.25) | ||
RDS IV级 | 19 | 3 (15.78) | 12 (64.16) | 4 (21.05) |