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Table 2 Baseline characteristics of study participants allocated to interventions, n = 201

From: Efficacy and safety of curcumin and its combination with boswellic acid in osteoarthritis: a comparative, randomized, double-blind, placebo-controlled study

Treatment group Curamin mean ± SD number of patients normality test p value Placebo mean ± SD number of patients normality test p value Curamed mean ± SD number of patients normality test p value Intergroup comparison, mean differenceaor difference in rank sumb and p values
Variables Placebo vs Curamin Placebo vs Curamed
Age (years) 57.91 ± 9.02
n = 67
p > 0.05
56.04 ± 8.55
n = 68
p > 0.05
54.65 ± 8.84
n = 66
p > 0.05
-1.87a
p > 0.05
1.39a
p > 0.05
Sex
 • Men 5 (7.5%) 3 (4.4%) 6 (9.1%)   
 • Women 62 (92.5%) 65 (96.6%) 60 (90.9%)   
Body mass index (kg/m2) 29.81 ± 3.97
n = 67
p < 0.0001
28.81 ± 3.36
n = 68
p < 0.05
28.33 ± 3.6
n = 66
p > 0.05
18.9b
p > 0.05
3.8b
p > 0.05
WOMAC Osteoarthritis Index (WOI) 33.06 ± 15.56
n = 67
p > 0.05
33.37 ± 15.21
n = 68
p > 0.05
28.94 ± 13.20
p > 0.05
-2.69a
p > 0.05
1.43a
p > 0.05
WOMAC Joint pain index 6.39 ± 3.47
n = 67
p > 0.05
5.85 ± 3.25
p > 0.05
5.91 ± 2.77
p > 0.05
-0.53a
p > 0.05
-0.06a
p > 0.05
WOMAC morning stiffness index 1.91 ± 1.23
n = 67
p > 0.05
2.09 ± 1.29
p > 0.05
1.98 ± 1.29
p > 0.05
0.18a
p > 0.05
0.10a
p > 0.05
WOMAC limitation of physical function index 23.40 ± 11.30
n = 67
p > 0.05
8.50 ± 11.46
p > 0.05
8.20 ± 9.91
p > 0.05
-2.21a
p > 0.05
1.36a
p > 0.05
Physical performance test 1
30 s. Chair Stand Test Score
7.23 ± 3.45
n = 66
p > 0.05
33.37 ± 3.76
n = 66
p > 0.05
28.94 ± 3.71
n = 65
p > 0.05
1.27a
p > 0.05
0.30a
p > 0.05
Physical performance test 2
40 m Fast Paced Walk Distance Test (m - distance).
29.77 ± 6.16
n = 65
p > 0.05
27.58 ± 5.69
n = 63
p > 0.05
27.42 ± 5.80
n = 63
p > 0.05
-2.19a
p > 0.05
0.15a
p > 0.05
Physical performance test 3
40 m (4x10m) Fast Paced Walk Speed Test (m/s - speed).
1.39 ± 0.26
n = 65
p > 0.05
1.50 ± 0.30
n = 63
p > 0.05
1.50 ± 0.29
n = 63
p > 0.05
0.19a
p > 0.05
0.001a
p > 0.05
Physical performance test 4
Time up and go test (sec).
10.61 ± 3.14
n = 68
p > 0.05
9.44 ± 3.05
n = 67
p > 0.05
9.84 ± 3.37
n = 66
p > 0.05
-1.17a
p > 0.05
-1.84b
p > 0.05
Physical performance test 5
Stair Climb Test (sec).
14.24 ± 4.60
n = 58
p > 0.05
13.02 ± 4.28
n = 58
p > 0.05
13.03 ± 4.44
n = 59
p > 0.05
1.22a
p > 0.05
1.21a
p > 0.05
ESR, mm/h 9.550 ± 0.40
n = 60
p > 0.05
8.241 ± 0.38
n = 58
p > 0.05
8.089 ± 0.40
n = 56
p > 0.05
−0.007 to 2.44
P > 0.05 ns
−1.12 to 1.33
P > 0.05 ns
CRP, mg/L 2.918 ± 0.131
n = 60
p > 0.05
2.524 ± 0.11
n = 58
p > 0.05
2.609 ± 0.10
n = 56
p > 0.05
−0.022 to 0.73
p > 0.05ns
−0.46 to 0.30
p > 0.05ns
  1. aOne-way analysis of variance with post Dunnett’s Multiple Comparison Test
  2. bNon-parametric Kruskal-Wallis test with post Dunn’s Multiple Comparison Test