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Table 3 Study parameters values at baseline, day 45 and day 90 in treatment groups

From: Single-blind, placebo controlled randomised clinical study of chitosan for body weight reduction

Study parameters

Chitosan (mean ± SD) [range]

Placebo (mean ± SD) [range]

Day 0 (N = 64)

Day 45 (N = 59)

Day 90 (N = 56)

Day 0 (N = 32)

Day 45 (N = 31)

Day 90 (N = 30)

Body mass Index (Kg/m2)

30.93 ± 2.69 [26.49 – 35.19]

30.20 ± 2.90* [25.32 – 35.08]

29.71 ± 3.07* [24.88 – 35.64]

30.91 ± 2.72

[26.23 – 34.95]

30.95 ± 2.62 [26.29 – 34.95]

30.83 ± 2.64 [26.36 – 35.09]

Body fat (%)

37.88 ± 6.86 [25.20 – 49.50]

37.36 ± 7.03* [25.00 – 50.30]

36.65 ± 7.25* [24.30 – 49.40]

37.96 ± 7.83 [23.70 – 49.30]

38.02 ± 8.00 [23.70 – 49.30]

38.07 ± 8.09 [23.50 – 49.10]

Visceral fat (%)

10.80 ± 3.52

[4 – 20]

10.47 ± 3.3*

[4 – 20]

9.71 ± 3.33*

[4 – 20]

10.53 ± 2.97

[4 – 17]

10.55 ± 2.75

[5 – 17]

10.43 ± 2.87

[5 – 17]

Muscle mass (Kg)

47.52 ± 9.62 [32.20 – 68.30]

46.74 ± 9.50* [32.00 – 64.50]

46.84 ± 9.57* [31.70 – 64.20]

46.95 ± 10.79 [34.70 – 81.10]

47.04 ± 11.17 [35.20 – 83.80]

47.50 ± 11.01 [35.20 – 83.00]

Upper abdominal circumference (cm)

97.70 ± 7.96 [80.00 – 114.0]

96.61 ± 7.99* [80.00 – 113.0]

95.68 ± 8.40* [77.00 – 112.0]

95.75 ± 9.22 [73.00 – 117.0]

95.55 ± 9.13 [74.00 – 115.0]

95.73 ± 9.09 [74.00 – 115.0]

Hip circumference (cm)

110.35 ± 9.30 [89.00 – 130.0]

109.2 ± 9.77* [88.00 – 128.0]

108.3 ± 9.96* [88.00 – 128.0]

108.59 ± 14.80 [48.00 – 138.0]

109.0 ± 13.91 [50.00 – 138.0]

108.3 ± 13.79 [50.00 – 137.0]

Waist circumference (cm)

102.80 ± 7.70 [84.00 – 118.0]

101.7 ± 7.69* [85.00 – 117.0]

100.5 ± 8.05* [82.00 – 115.0]

102.72 ± 10.14 [67.00 – 124.0]

102.2 ± 10.27 [68.00 – 124.0]

102.3 ± 10.12 [68.00 – 124.0]

Waist to hip ratio

0.93 ± 0.07 [0.80 - 0.95]

0.93 ± 0.07 [0.80 – 0.97]

0.92 ± 0.07 [0.79 – 0.96]

0.96 ± 0.12

[0.75 – 0.98]

0.94 ± 0.10 [0.74 – 0.98]

0.95 ± 0.10 [0.82 – 0.98]

  1. Values are expressed as Mean ± Standard deviation (SD). *p < 0.0001 as compared to baseline (Within group comparison). N = Number of patient in each treatment group