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. 2019 Nov 22;2019(11):CD011287. doi: 10.1002/14651858.CD011287.pub2

Comparison 3. Changes in anthropometry.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Mean weight (kg) 10   Mean Difference (IV, Random, 95% CI) Subtotals only
1.1 Weight at 3 months 6 247 Mean Difference (IV, Random, 95% CI) ‐3.52 [‐7.34, 0.29]
1.2 Weight at 6 months 3 190 Mean Difference (IV, Random, 95% CI) ‐2.84 [‐6.95, 1.28]
1.3 Weight at 12 months 5 3287 Mean Difference (IV, Random, 95% CI) ‐0.80 [‐2.01, 0.41]
2 Adjusted mean weight (kg) 1   Mean Difference (IV, Random, 95% CI) Subtotals only
2.1 Weight at 6 months 1 55 Mean Difference (IV, Random, 95% CI) ‐7.0 [‐17.40, 3.40]
3 Weight change 2   Mean Difference (IV, Fixed, 95% CI) Subtotals only
3.1 Weight change at 6 months 1 90 Mean Difference (IV, Fixed, 95% CI) ‐3.6 [‐5.56, ‐1.64]
3.2 Weight change at 12 months 1 641 Mean Difference (IV, Fixed, 95% CI) 0.23 [‐0.31, 0.77]
4 Adjusted mean body mass index (kg/m²) 1   Mean Difference (IV, Random, 95% CI) Subtotals only
4.1 Body mass index at 6 months 1 53 Mean Difference (IV, Random, 95% CI) ‐4.10 [‐8.12, ‐0.08]
5 Mean body mass index (kg/m²) 10   Mean Difference (IV, Random, 95% CI) Subtotals only
5.1 Body mass index at 3 months 6 247 Mean Difference (IV, Random, 95% CI) ‐1.80 [‐2.95, ‐0.65]
5.2 Body mass index at 6 months 1 168 Mean Difference (IV, Random, 95% CI) ‐0.70 [‐2.26, 0.86]
5.3 Body mass index at 12 months 4 777 Mean Difference (IV, Random, 95% CI) ‐0.79 [‐1.50, ‐0.07]
6 Mean difference body mass index (kg/m²) 2   Mean Difference (IV, Fixed, 95% CI) Subtotals only
6.1 Body mass index at 6 months 1 410 Mean Difference (IV, Fixed, 95% CI) ‐0.6 [‐1.15, ‐0.05]
6.2 Body mass index at 12 months 2 1051 Mean Difference (IV, Fixed, 95% CI) ‐0.44 [‐0.64, ‐0.25]
7 Weight loss 1   Mean Difference (IV, Random, 95% CI) Subtotals only
7.1 Weight loss at 3 months 1 170 Mean Difference (IV, Random, 95% CI) 1.0 [‐0.47, 2.47]
7.2 Weight loss at 6 months 1 170 Mean Difference (IV, Random, 95% CI) ‐1.60 [‐3.06, ‐0.14]
8 Lean body tissue 1   Mean Difference (IV, Random, 95% CI) Subtotals only
8.1 Lean body mass at 3 months 1 76 Mean Difference (IV, Random, 95% CI) ‐0.30 [‐2.41, 1.81]
9 Body fat percentage 2   Mean Difference (IV, Random, 95% CI) Subtotals only
9.1 Body fat percentage at 3 months 2 99 Mean Difference (IV, Random, 95% CI) ‐4.97 [‐7.47, ‐2.48]
10 Change in body fat percentage 1   Mean Difference (IV, Random, 95% CI) Subtotals only
10.1 Change in body fat percentage at 6 months 1 39 Mean Difference (IV, Random, 95% CI) ‐0.01 [‐0.05, 0.03]
11 Mean waist‐to‐hip ratio 7   Mean Difference (IV, Random, 95% CI) Subtotals only
11.1 Waist‐to‐hip ratio at 3 months 5 181 Mean Difference (IV, Random, 95% CI) ‐0.03 [‐0.06, 0.01]
11.2 Waist‐to‐hip ratio at 6 months 2 118 Mean Difference (IV, Random, 95% CI) ‐0.02 [‐0.05, 0.01]
11.3 Waist‐to‐hip ratio at 12 months 2 106 Mean Difference (IV, Random, 95% CI) ‐0.01 [‐0.04, 0.02]
12 Waist‐to‐hip ratio for each cancer site at 3 months 5   Mean Difference (IV, Random, 95% CI) Subtotals only
12.1 Colon cancer 1 18 Mean Difference (IV, Random, 95% CI) ‐0.11 [‐0.17, ‐0.05]
12.2 Breast cancer 4 163 Mean Difference (IV, Random, 95% CI) ‐0.01 [‐0.02, 0.01]
13 Hip circumference change scores 2   Mean Difference (IV, Random, 95% CI) Subtotals only
13.1 Hip circumference change at 3 months 1 44 Mean Difference (IV, Random, 95% CI) 1.81 [0.77, 2.85]
13.2 Hip circumference change at 6 months 2 134 Mean Difference (IV, Random, 95% CI) ‐3.13 [‐5.01, ‐1.26]
13.3 Hip circumference change at 12 months 1 44 Mean Difference (IV, Random, 95% CI) 1.09 [‐1.69, 3.87]
14 Waist circumference change scores 2   Std. Mean Difference (IV, Random, 95% CI) Subtotals only
14.1 Waist circumference change at 3 months 1 44 Std. Mean Difference (IV, Random, 95% CI) ‐0.67 [‐1.28, ‐0.06]
14.2 Waist circumference change at 6 months 2 134 Std. Mean Difference (IV, Random, 95% CI) ‐0.67 [‐1.02, ‐0.32]
14.3 Waist circumference change at 12 months 1 44 Std. Mean Difference (IV, Random, 95% CI) ‐0.15 [‐0.74, 0.44]
15 Adjusted mean waist circumference (cm) 1   Mean Difference (IV, Random, 95% CI) Subtotals only
15.1 Waist circumference at 6 months 1 50 Mean Difference (IV, Random, 95% CI) ‐3.90 [‐11.11, 3.31]
16 Mean hip circumference (cm) 2   Mean Difference (IV, Random, 95% CI) Subtotals only
16.1 Hip circumference at 3 months 1 76 Mean Difference (IV, Random, 95% CI) ‐5.40 [‐10.06, ‐0.74]
16.2 Hip circumference at 6 months 1 50 Mean Difference (IV, Random, 95% CI) ‐3.20 [‐10.96, 4.56]
16.3 Hip circumference at 12 months 1 49 Mean Difference (IV, Random, 95% CI) ‐4.0 [‐11.43, 3.43]
17 Mean waist circumference (cm) 4   Mean Difference (IV, Random, 95% CI) Subtotals only
17.1 Waist ratio at 3 months 2 143 Mean Difference (IV, Random, 95% CI) ‐4.00 [‐12.53, 4.53]
17.2 Waist ratio at 6 months 2 109 Mean Difference (IV, Random, 95% CI) ‐0.33 [‐4.79, 4.14]
17.3 Waist ratio at 12 months 3 148 Mean Difference (IV, Random, 95% CI) ‐3.36 [‐7.55, 0.82]