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Table 3 Percentiles of serum 25(OH)D in nmol/l according to month of examination

From: Vitamin D status among adults in Germany – results from the German Health Interview and Examination Survey for Adults (DEGS1)

Month of examination

5th

25th

Median

75th

95th

Women

Men

Women

Men

Women

Men

Women

Men

Women

Men

January

9.0

9.0

19.0

20.0

33.0

31.0

44.0

44.0

74.4

64.5

February

10.0

9.0

20.0

15.1

27.0

23.7

43.0

36.0

71.0

67.0

March

11.0

11.0

20.0

18.0

30.0

27.0

42.0

38.5

73.0

67.0

April

13.6

17.0

25.0

25.0

38.0

36.0

54.0

50.5

84.0

75.0

May

16.0

20.6

26.0

32.5

44.0

43.3

58.4

58.0

92.8

89.5

June

23.0

22.0

42.0

42.0

54.0

57.0

68.0

69.0

99.6

97.2

July

25.0

36.4

44.0

55.0

59.7

65.0

78.0

83.2

112.9

106.0

August

24.0

25.0

41.0

43.0

55.9

57.0

73.0

75.0

106.0

96.2

September

19.0

28.0

39.2

44.0

57.0

58.1

75.0

78.0

112.1

112.0

October

17.0

17.0

32.0

36.0

49.0

51.0

62.0

66.0

91.0

87.0

November

11.0

15.0

27.5

25.0

40.0

39.0

53.0

50.3

86.0

70.1

December

12.0

13.0

23.0

21.0

35.0

29.0

50.3

45.0

77.0

69.0