Table 3 Weight change from Day 0 to Day 30.
Raw weight change [mean (SD)] | Percent weight change [mean (SD)] | |||||
|---|---|---|---|---|---|---|
Primary cohort < 2000 g (N = 104) | Secondary cohort > 2000 g (N = 405) | Primary vs secondary p-value | Primary cohort < 2000 g (N = 104) | Secondary cohort > 2000 g (N = 405) | Primary vs secondary p-value | |
Mean change in weight from birth to… | ||||||
Day 1 | − 60 (34) | − 131 (75) | < 0.001 | − 3.42 (1.95) | − 4.18 (2.32) | 0.002 |
Day 2 | − 108 (57) | − 157.97 (114.12) | < 0.001 | − 6.17 (3.13) | − 5.02 (3.52) | 0.003 |
Day 3 | − 116 (80) | − 99 (135) | 0.107 | − 6.65 (4.52) | − 3.16 (4.29) | < 0.001 |
Day 4 | − 100 (98) | − 44 (140) | < 0.001 | − 5.73 (5.55) | − 1.37 (4.42) | < 0.001 |
Day 5 | − 81 (110) | + 11 (156) | < 0.001 | − 4.70 (6.27) | + 0.42 (5.03) | < 0.001 |
Day 12 | + 39 (166) | + 303 (231) | < 0.001 | + 2.04 (9.24) | + 9.79 (7.52) | < 0.001 |
Day 30 | + 570 (375) | + 1000 (342) | < 0.001 | + 31.98 (20.35) | + 32.92 (12.20) | 0.660 |
Weight nadir | − 144 (77) | − 190 (119) | < 0.001 | − 8.25 (4.40) | − 6.06 (3.65) | < 0.001 |
Day of weight nadir* [mean (SD)] | 3.57 (3.45) | 2.09 (2.12) | < 0.001 | – | – | – |
