| 项目 | 好转组(n = 66) | 放弃/死亡组(n = 24) | 统计量 | P |
| 颅内感染[n (%)] | 8 (12.1) | 3 (12.5) | c2 = 0.00 | 1.000 |
| 新生儿呼吸窘迫综合征[n (%)] | 41 (62.1) | 13 (54.2) | c2 = 0.46 | 0.496 |
| 新生儿坏死性小肠结肠炎[n (%)] | 8 (12.1) | 4 (16.7) | c2 = 0.04 | 0.833 |
| 颅内出血[n (%)] | 24 (36.4) | 12 (50.0) | c2 = 1.36 | 0.243 |
| 缺氧缺血性脑病[n (%)] | 1 (1.5) | 1 (4.2) | - | 0.464 |
| 低蛋白血症[n (%)] | 49 (74.2) | 22 (91.7) | c2 = 3.21 | 0.073 |
| 中重度贫血[n (%)] | 57 (86.4) | 18 (75.0) | c2 = 0.92 | 0.337 |
| 高钾血症[n (%)] | 12 (18.2) | 9 (37.5) | c2 = 3.67 | 0.055 |
| 肺出血[n (%)] | 24 (36.4) | 11 (45.8) | c2 = 0.64 | 0.415 |
| 动脉导管未闭[n (%)] | 43 (65.2) | 18 (75.2) | c2 = 0.78 | 0.377 |
| 感染性休克[n (%)] | 19 (28.8) | 14 (58.3) | c2 = 6.616 | 0.010 |
| 胃肠穿孔[n (%)] | 7 (10.6) | 2 (8.3) | c2 = 0 | 1.000 |
| AKI发生时间[M (P25~P75)]/天 | 1.9 (10.6~10.35) | 2.0 (1.0~5.3) | Z = 1.08 | 0.282 |
| 重度AKI [n (%)] | 2 (3.0) | 8 (33.3) | c2 = 13.4 | 0.000 |