Table 2.
Breastmilk Amounts over Time and Lactogenesis Stage II by Initiation Group (n=40)
| Early initiation | Late initiation | p value | |
|---|---|---|---|
| Breastmilk (mL) | |||
| Initial amount | 0.1 (0.0–0.15) | 0.0 (0.0–0.0) | 0.001a |
| Day 1 | 0.27 (0.0–7.4) | 0.0 (0.0–3.5) | 0.392 |
| Day 2 | 3.1 (0.14–16.0) | 4.3 (1.5–17.1) | 0.550 |
| Day 3 | 25.7 (6.0–138.2) | 11.5 (1.5–45.4) | 0.148 |
| Day 4 | 51.5 (19.4–205.3) | 49.4 (13.9–183.4) | 0.764 |
| Day 5 | 117.3 (38.5–245.6) | 112.1 (50.5–162.4) | 0.738 |
| Day 6 | 259.6 (108.4–302.7) | 87.1 (50.4–140.2) | 0.002a |
| Day 7 | 252.7 (133.5–381.5) | 125.7 (65.3–192.7) | 0.006a |
| Week 1 | 803.8 (377.9–1,166.0) | 394.3 (249.0–669.6) | 0.076 |
| Week 3 (n=23) | 454.0 (238.9–591.8) | 224.2 (100.7–334.8) | 0.056 |
| Week 6 (n=14) | 355.2 (328.6–457.7) | 258.7 (124.3–284.7) | 0.050 |
| Lactogenesis stage II (hours) | 114 (66–137) | 78 (60–108) | 0.207 |
| Lactating at | |||
| 3 weeks | 70% (14/20) | 45% (9/20) | 0.110 |
| 6 weeks | 50% (10/20) | 20% (4/20) | 0.047a |
Data are median (interquartile range [25th–75th percentile]) or percentage values as indicated. The values for p were obtained from Wilcoxon rank sum tests.
a
Statistically significant difference.