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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