Table 2.
Comparison of baseline characteristics of randomized patients in the two study groups
| Variables | LR (N=13) | Placebo (N=7) | P |
|---|---|---|---|
| Age at the time randomized (in days), median (Q1, Q3) | 57 (39, 72) | 40 (34, 51) | 0.053w |
| Gestational Age (in weeks), mean±SD | 39.3±1.3 | 39.1±1.0 | 0.72t |
| Birth Weight (kg) , mean±SD | 3.4±0.5 | 3.3±0.4 | 0.74t |
| Birth Height (cm) , mean±SD | 52.2±2.0 | 50.3±2.51 | 0.10t |
| Weight at the time randomized (kg) , mean±SD | 5.1±0.8 | 4.8±1.0 | 0.41t |
| Height at the time randomized (cm) , mean±SD | 59.3±2.6 | 55.7±3.7 | 0.02t |
| Male, n (%) | 9 (69%) | 3 (43%) | 0.35f |
| Race, n (%) | NR | ||
| Caucasian | 11 (85%) | 3 (43 %) | |
| African American | 1 (8%) | 0 (0%) | |
| Asian or Pacific Islander | 1 (7%) | 3 (43%) | |
| Mix (Caucasian/Asian) | 0 (0.0%) | 1 (14%) | |
| Ethnicity, n (%) | 0.27f | ||
| Not Hispanic or Latino | 12 (92%) | 5 (71%) | |
| Hispanic or Latino | 1 (8%) | 2 (29%) | |
| Breast Feed, n (%) | N/A | ||
| Yes | 13(100 %) | 7 (100%) | |
| Any Formula, n (%) | 1.00f | ||
| No | 10 (77%) | 5 (71%) | |
| Yes | 3 (23%) | 2 (29%) | |
| Formula Type | |||
| -Earth’s Best | 1 (33%) | 0 (0%) | |
| -Gentls Good Start | 1 (33%) | 0 (0%) | |
| -Similac Advance | 1 (33%) | 1 (50%) | |
| -Similace Sensitive | 0 (0%) | 1 (50%) | |
1
N=5
t
denotes p-values obtained by two sample t-test
f
denotes p-values obtained by Fisher’s exact test
w
denotes p-values obtained by Wilcoxon rank sum test; NR, not reported due to zero cells; N/A, not applicable; Abbreviations: Q1, 1st quartile; Q3, 3rd quartile; SD, standard deviation