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Table 4 Effect of curcumin vs. placebo on the vitamin D status and levels

From: Effects of curcumin supplementation on vitamin D levels in women with premenstrual syndrome and dysmenorrhea: a randomized controlled study

Variables

Curcumin (n = 36)

Placebo (n = 37)

P

Before

After

Improved

P

Before

After

Improved

P

Vitamin D status

Deficiency

24 (66.7%)

18 (52.0%)

25%

0.039a

21 (56.8%)

17 (46.0%)

18%

0.08 a

0.71b

Insufficiency

7 (19.4%)

10 (27.8%)

8 (21.6%)

12 (32.4%)

Sufficiency

5 (13.9%)

8 (20.2%)

8 (21.6%)

8 (21.6%)

Vitamin D levels (ng/ml)

12.8 (7.0 to 24.6)

16.2 (6.4 to 28.8)

2.2(−3.7 to 10.1)

0.045a

18.6 (2.2–26.8)

21.3 (5.2–27.1)

1.2(−2.0 to 6.0)

0.17 a

0.050c

  1. Data presented as number (percent) or Median (interquartile range)
  2. aComparison of before vs. after values in each group (Wilcoxon test)
  3. bComparison of before vs. after values between groups (chi-square test)
  4. cComparison of before vs. after values between groups (Man-Whitney test)