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Table 3 Comparison of the mean changes in knee pain scores during the study

From: The effect of curcumin ointment on knee pain in older adults with osteoarthritis: a randomized placebo trial

Pain change

Group

P value a

Intervention

Placebo

First (T1-T2)

1.64 ± 0.79

0.56 ± 0.87

<  0.001

Second (T1-T3)

2.33 ± 1.06

0.58 ± 1.05

< 0.001

P value b

0.002

0.930

 
  1. a: Independents samples-test, b: Paired t-test