Table 6 Serum levels of 25-OH-D (ng/ml) per quarter

Group A

Group B

Group A

Group B

Group A

Group B

Group A

Group B

n

33

36

20

40

19

19

10

26

Mean

32.1

17.8

27.5

20.4

34.4

29.7

35.6

23.7

SD

14.7

6.8

11.0

11.0

10.2

11.6

14.6

7.6

Median

28.0

19.0

27.0

18.0

35.0

29.0

29.5

24.5

Range

11–71

8–37

8–61

2–56

18–56

8–50

17–62

10–41

Interq. range

21–42

12.5–21

23–30.5

15–25.5

28–42

21–40

27–42

16–29

T-test ( P )