Effect of Acupoint Catgut Embedding for Middle-Aged Obesity: A Multicentre, Randomised, Sham-Controlled Trial

Table 2

Percentage reduction in waistline (%) based on intention-to-treat principle with multiple imputation.

Time point	Percentage of reduction from baseline (%); Adjusted mean (95% (confidence interval),			Mixed-effects model using visit as continuous variable; Coefficient (95% confidence interval),
	ACE group	Sham ACE group	Difference	Group	Time	Group^a Time
4 weeks	1.95 (1.31, 2.60), <0.001	1.78 (1.13, 2.44), <0.001	0.17 (-0.74, 1.08), 0.718
8 weeks	4.34 (3.56, 5.13), <0.001	2.96 (2.19, 3.73), <0.001	1.38 (0.29, 2.48), 0.014
12 weeks	6.20 (5.35, 7.05), <0.001	3.84 (2.99, 4.70), <0.001	2.36 (1.16, 3.56), <0.001
16 weeks	8.80 (7.93, 9.66), <0.001	4.09 (3.18, 5.00), <0.001	4.71 (3.47, 5.95), <0.001	0.86 (-0.88, 2.60), 0.333	0.01 (-0.01, 0.03), 0.279	0.07 (0.04, 0.10), <0.001
28 weeks	8.49 (7.62, 9.36), <0.001	4.02 (3.12, 4.92), <0.001	4.46 (3.21, 5.72), <0.001
40 weeks	8.46 (7.52, 9.40), <0.001	3.52 (2.55, 4.49), <0.001	4.94 (3.58, 6.30), <0.001
Overall^b	6.37 (1.42, 11.33), 0.013	3.37 (1.62, 5.12), <0.001	3.00 (1.99, 4.02), <0.001

Percentage of reduction from baseline = (before value − after value)/before value ^∗ 100%. ^aAdjusted for baseline, sex, age, married status, duration of disease, and family history. ^bThe overall waistline reduction rate, namely the average percentage decrease during 0 to 40 weeks.