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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