nominally significantP = 0.002
>12 weeks) revealed that ≤ 12 weeks subgroup [ 29 , 30 , 33 ] showed a nominally significant P-value ( P = 0.002), but the 95% CI spanning zero (MD = 0.64 kg, 95% CI: -0.03 to 1.31; Fig. 4 ) indicates statistical nonsignificance.