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Table 7 Laboratory-based evaluations of safety

From: Safety and efficacy of curcumin versus diclofenac in knee osteoarthritis: a randomized open-label parallel-arm study

Laboratory parameter

Curcumin (N = 70)

Diclofenac (N = 69)

P value#

Before treatment

After treatment

P value*

Before treatment

After treatment

P value*

Hemoglobin, gm/dL

14.67 ± 0.37

14.67 ± 0.36

0.29

14.67 ± 0.35

14.74 ± 0.37

0.03

0.37

Red blood cell count, million/mm3

5.01 ± 0.32

5.06 ± 0.31

0.06

5.06 ± 0.34

5.12 ± 0.36

0.02

0.29

Total white blood cell count, /mm3

7577.14 ± 1723.26

7841.43 ± 1512.60

0.14

7633.33 ± 1841.09

7682.61 ± 1603.76

0.70

0.59

Red cell absolute values

  

Packed cell volume %

44.79 ± 2.72

45.06 ± 2.51

0.51

44.86 ± 2.88

45.38 ± 2.77

< 0.01

0.40

Mean corpuscular volume, cubic microns

80.56 ± 3.13

80.91 ± 2.91

0.14

81.20 ± 3.47

81.50 ± 3.45

0.06

0.46

Mean corpuscular hemoglobin, picograms

29.02 ± 1.34

29.23 ± 1.23

0.06

29.17 ± 1.52

29.29 ± 1.39

0.17

0.82

Mean corpuscular hemoglobin concentration, g/dL

33.62 ± 0.89

33.66 ± 0.82

0.69

33.68 ± 0.97

33.74 ± 0.97

0.15

0.42

Differential count

Neutrophils %

48.67 ± 4.84

49.08 ± 4.72

0.58

48.85 ± 4.45

49.81 ± 4.68

0.03

0.43

Lymphocytes %

28.58 ± 5.24

28.99 ± 5.09

0.50

28.30 ± 4.74

29.19 ± 4.86

0.06

0.80

Eosinophil %

3.57 ± 0.58

3.39 ± 0.55

0.10

3.61 ± 0.57

3.52 ± 0.58

0.48

0.15

Monocytes %

3.96 ± 0.91

4.06 ± 0.80

0.50

4.03 ± 0.74

4.09 ± 0.80

0.70

0.81

Basophils %

0

0

–

0

0

–

–

Peripheral smear examination

Platelets, /mm3

269,757.1 ± 55,561.02

268,514.3 ± 57,049.62

0.72

286,942 ± 49,707.34

279,956.5 ± 60,135.25

0.37

0.30

Erythrocyte sedimentation rate, /hr

13.06 ± 2.90

12.86 ± 2.59

0.59

12.88 ± 2.83

12.93 ± 2.82

0.78

0.82

Biochemistry

Serum creatinine, mg/dL

0.88 ± 0.27

0.91 ± 0.26

0.36

0.93 ± 0.30

0.96 ± 0.30

0.05

0.41

Serum glutamic pyruvic transaminase (SGPT), IU/L

22.71 ± 5.26

23.6 ± 4.75

0.42

25 ± 4.81

23.71 ± 5.45

0.13

0.98

Serum glutamic oxaloacetic transaminase (SGOT), IU/L

23.6 ± 4.17

23.79 ± 3.51

0.76t

25.12 ± 4.19

24.15 ± 4.04

0.12

0.71

  1. Data are expressed as mean ± standard deviation
  2. *P value (within the group) by Wilcoxon signed-rank test
  3. #P value (between the groups) (after treatment) by Mann–Whitney test
  4. tPaired t test