Table 4.
Values for Two Categories of Initiation Time Point of Breastmilk Expression
| >1 and ≤6 hours (n=10) | >6 hours (n=20) | p valuea | |
|---|---|---|---|
| Breastmilk (mL) | |||
| Initial amount | 0 (0–0.1) | 0 (0–0) | 0.036 |
| Day 1 | 0.01 (0–0.4) | 0 (0–4) | 0.791 |
| Day 2 | 0.5 (0–2) | 4 (2–17) | 0.025 |
| Day 3 | 20 (0–45) | 12 (2–45) | 0.827 |
| Day 4 | 28 (15–41) | 49 (13–183) | 0.487 |
| Day 5 | 71 (35–118) | 112 (51–162) | 0.310 |
| Day 6 | 218 (79–267) | 87 (50–140) | 0.110 |
| Day 7 | 181 (81–253) | 126 (65–193) | 0.290 |
| Week 3 (n=17) | 239 (88–442) | 224 (101–335) | 0.810 |
| Week 6 (n=8)b | 209 (64–356) | 259 (124–285) | 0.678 |
| Lactogenesis stage II (hours) | 126 (108–204) | 78 (60–108) | 0.029 |
| Lactating at | |||
| 3 weeks | 70% (7/10) | 45% (9/20) | 0.260 |
| 6 weeks | 40% (4/10) | 20% (4/20) | 0.384 |
Data are median (interquartile range [25th–75th percentile]) or percentage values as indicated.
a
p values obtained from the Wilcoxon rank sum test
b
Sample size for Week 6: >1 and ≤6 hours, n=4; >6 hours, n=2.