Table 2: Summary of the Hb reference intervals analysis in the entire population and the selected group.

Analyte n Min. value Max. value DAP test Median (95% CI) Lower limit (90% CI) Upper limit (90% CI) RI

Men

Entire population

74

9.7

18.5

P = 0.1633

13.8

10.8 (10.2-11.5)

16.8 (16.3-17.3)

10.8-16.8

Women

Entire population

182

8.1

17.1

P = 0.0006

13.2

10.8 (8.1-11.2)

15.5 (15.0-17.1)

10.8-15.5

Men

Selected group

60

10.0

18.5

P = 0.0937

13.9

11.2 (10.7-11.7)

16.7 (16.1-17.2)

11.2-16.7

Women

Selected group

149

10.3

17.1

P = 0.0953

13.3

11.3 (10.3-11.7)

15.7 (15-17.1)

11.3-15.7

n = number, min = minimum, max = maximum, CI = confidence interval, DAP = D'Agostino-Pearson.