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Table 3 Measurements at different stages and the days after intervention

From: Effects of green tea extract on overweight and obese women with high levels of low density-lipoprotein-cholesterol (LDL-C): a randomised, double-blind, and cross-over placebo-controlled clinical trial

Measurements Stage Days Group A
n = 36
mean (SD)
Group B
n = 37
mean (SD)
p-value
Weight, kg 1 0 70.6 (11.4) 67.8 (9.1) 0.25
1 42 70.4 (11.5) 67.7 (9.2) 0.28
p-value for paired t-test    0.45 0.58  
2 56 70.5 (11.2) 68.0 (9.3) 0.30
2 98 68.4 (15.5) 67.6 (9.3) 0.80
p-value for paired t-test    0.27 0.13  
Body Mass Index, kg/m2 1 0 29.1 (4.9) 27.9 (3.3) 0.26
1 42 28.9 (4.9) 27.9 (3.3) 0.29
p-value for paired t-test    0.44 0.60  
2 56 29.0 (4.8) 28.0 (3.4) 0.32
2 98 28.1 (6.6) 27.8 (3.4) 0.81
p-value for paired t-test    0.27 0.11  
Waist Circumference (WC), cm 1 0 89.7 (12.4) 86.6 (9.5) 0.23
1 42 90.0 (11.3) 87.2 (8.2) 0.22
p-value for paired t-test    0.66 0.40  
2 56 89.2 (10.7) 87.8 (9.6) 0.55
2 98 89.8 (10.1) 87.4 (9.5) 0.29
p-value for paired t-test    0.27 0.57  
Hip Circumference (HC), cm 1 0 100.8 (8.8) 99.5 (6.6) 0.48
1 42 101.1 (8.7) 99.5 (6.6) 0.38
p-value for paired t-test    0.57 0.93  
2 56 100.7 (8.7) 100.5 (7.2) 0.91
2 98 101.0 (9.0) 98.9 (7.6) 0.29
p-value for paired t-test    0.38 0.01  
Waist hip ratio 1 0 0.89 (0.07) 0.87 (0.06) 0.24
1 42 0.89 (0.06) 0.88 (0.06) 0.36
p-value for paired t-test    0.78 0.28  
2 56 0.88 (0.05) 0.87 (0.06) 0.41
2 98 0.89 (0.05) 0.88 (0.06) 0.65
p-value for paired t-test    0.44 0.21  
Fasting blood sugar, mg/dL 1 0 105.2 (23.8) 114.9 (49.0) 0.29
1 42 102.8 (18.7) 106.4 (28.6) 0.53
p-value for paired t-test    0.37 0.047  
2 56 103.4 (22.0) 103.1 (22.0) 0.96
2 98 103.1 (26.2) 106.2 (26.9) 0.62
p-value for paired t-test    0.90 0.23  
Total cholesterol, mg/dL 1 0 218.8 (42.4) 229.6 (30.3) 0.21
1 42 213.3 (41.4) 226.2 (25.9) 0.12
p-value for paired t-test    0.13 0.47  
2 56 220.3 (46.3) 224.8 (31.9) 0.62
2 98 220.3 (40.3) 217.6 (27.7) 0.74
p-value for paired t-test    1.00 0.05  
Triglyceride, mg/dL 1 0 147.4 (57.4) 152.6 (57.7) 0.70
1 42 144.4 (59.7) 152.5 (66.1) 0.58
p-value for paired t-test    0.72 1.00  
2 56 134.9 (53.4) 138.5 (49.5) 0.77
2 98 142.8 (47.3) 150.4 (53.3) 0.52
p-value for paired t-test    0.32 0.10  
High density lipoprotein (HDL), mg/dL 1 0 50.9 (12.1) 53.8 (15.3) 0.38
1 42 50.1 (10.5) 53.6 (12.1) 0.19
p-value for paired t-test    0.39 0.88  
2 56 50.0 (11.2) 53.6 (12.5) 0.19
2 98 50.4 (11.2) 53.7 (12.5) 0.25
p-value for paired t-test    0.64 0.98  
Low density lipoprotein (LDL), mg/dL 1 0 142.3 (37.2) 149.3 (23.6) 0.34
1 42 135.3 (39.8) 145.8 (22.8) 0.17
p-value for paired t-test    0.05 0.38  
2 56 142.7 (41.6) 145.5 (29.4) 0.74
2 98 141.9 (34.4) 136.9 (26.2) 0.49
p-value for paired t-test    0.84 0.01  
Insulin, IU/L 1 0 17.3 (14.4) 16.0 (10.9) 0.66
1 42 13.9 (6.6) 15.9 (9.3) 0.31
p-value for paired t-test    0.14 0.97  
2 56 15.3 (6.2) 15.2 (9.4) 0.94
2 98 16.3 (7.7) 16.5 (14.3) 0.95
p-value for paired t-test    0.30 0.38  
HOMA-IR index 1 0 4.7 (5.3) 4.7 (3.8) 0.94
1 42 3.4 (1.6) 4.3 (3.4) 0.19
p-value for paired t-test    0.17 0.63  
2 56 3.8 (1.7) 3.9 (2.4) 0.89
2 98 4.2 (2.3) 4.5 (4.4) 0.72
p-value for paired t-test    0.26 0.25  
Adiponectin, ug/mL 1 0 12.1 (7.7) 14.7 (8.7) 0.18
1 42 13.3 (6.0) 16.1 (8.3) 0.10
p-value for paired t-test    0.14 0.02  
2 56 13.3 (8.6) 15.8 (7.9) 0.20
2 98 10.8 (4.8) 14.6 (9.0) 0.03
p-value for paired t-test    0.02 0.15  
Ghrelin, pg/mL 1 0 555.9 (330.4) 523.0 (298.5) 0.66
1 42 481.9 (173.0) 531.5 (225.8) 0.30
p-value for paired t-test    0.20 0.87  
2 56 427.9 (146.6) 450.1 (149.3) 0.52
2 98 357.5 (90.4) 370.5 (119.8) 0.60
p-value for paired t-test    0.01 0.01  
Leptin, ng/mL 1 0 18.5 (13.9) 17.3 (10.6) 0.68
1 42 19.3 (14.1) 15.1 (7.2) 0.12
p-value for paired t-test    0.75 0.15  
2 56 15.1 (9.4) 14.1 (7.1) 0.60
2 98 14.4 (10.2) 14.5 (7.7) 0.97
p-value for paired t-test    0.57 0.72  
Apolipoprotein A1, mg/dL 1 0 165.8 (29.2) 178.2 (38.1) 0.12
1 42 166.0 (33.7) 171.6 (34.4) 0.48
p-value for paired t-test    0.97 0.16  
2 56 175.6 (34.5) 184.8 (35.6) 0.27
2 98 174.1 (36.8) 180.5 (34.2) 0.44
p-value for paired t-test    0.69 0.36  
Apolipoprotein B100, mg/dL 1 0 117.8 (25.6) 120.8 (15.2) 0.54
1 42 117.5 (28.2) 120.4 (18.3) 0.61
p-value for paired t-test    0.91 0.88  
2 56 123.8 (31.4) 125.1 (21.8) 0.85
2 98 121.9 (27.7) 118.9 (19.1) 0.58
p-value for paired t-test    0.55 0.02