Frequentist analysis of customised birth weight centile in the GPT
| Positional therapy (n=83) | Sham positional therapy (n=84) | Treatment—Sham difference (95% CI) | P value | |
| GROW v6.7.8.1 centile (%) | 43 (18 to 67) | 31 (14 to 58) | 6.8* (−1.7 to 16.6) | 0.11 |
| GROW v8.0.6.2 centile (%) | 42 (15 to 71) | 28 (9 to 52) | 8.4* (−0.3 to 18.2) | 0.06 |
Variables are non-normally distributed and presented as median (IQR).
*Wilcoxon rank sum test.
GPT, Ghana PrenaBelt Trial; GROW, Gestation-Related Optimal Weight.