Table 4.
Outcomes, n (%) unless stated otherwise
| No AKI n = 259 | Any stage AKI n = 34 | P value | |
| Length of stay in survivors: median (range) | |||
| BW ≤ 1000 g (n = 108) | 82 (37-280) | 112 (7-362) | 0.32 |
| BW > 1000 g (n = 184) | 40 (15-149) | 53 (35-137) | 0.0032 |
| Mortality of any cause | |||
| BW ≤ 1000 g (n = 108) | 18 (21) | 14 (58) | < 0.0011 |
| BW > 1000 g (n = 184) | 9 (5) | 5 (50) | < 0.0011 |
1
χ2 or Fisher exact test;
2
Kruskal-Wallis test. Number of infants in birth weight categories is not identical in all outcomes as some data was missing. AKI: Acute kidney injury; BW: Birth weight.