Week Weight (kg) Weight loss
(%)
95% CI
(kg)
P-value
Mean (SD) Loss
Baseline 73.64 - - -
1 70.29 (3.35) 4.5 3.07; 3.62 < 0.001a
3 70.08 (3.56) 4.8 3.23; 3.89 < 0.001a
8 70.85 (2.79) 3.8 2.36; 3.21 < 0.001a

aStatistically significant at level P < 0.05 (Kruskal-Wallis test).
CI = confidence interval; SD = standard deviation.