Table III.

Hb level with the increasing age of the blood donor.

Hb (g/dL)	Age (years)
	18–25	26–35	36–45	46–55	56–65
	N. (%)	N. (%)	N. (%)	N. (%)	N. (%)
Mean (±SD) Hb	15.3 (1.3)	15.3 (1.2)	14.9 (1.3)	14.8 (1.2)	14.8 (1.3)
12.5–13.0	130 (6.4)	124 (4.3)	130 (8.8)	37 (7.4)	6 (7.3)
13.1–14.0	308 (15.1)	424 (14.6)	288 (19.4)	124 (24.8)	31 (37.8)
14.1–15.0	495 (24.3)	772 (26.7)	418 (28.2)	161 (32.2)	11 (13.4)
15.1–16.0	577 (28.3)	862 (29.8)	396 (26.7)	113 (22.6)	20 (24.4)
16.1–17.0	393 (19.3)	515 (17.8)	184 (12.4)	48 (9.6)	8 (9.8)
17.1–18.0	136 (6.7)	198 (6.8)	68 (4.6)	17 (3.4)	6 (7.3)
Total	2,039 (100)	2,895 (100)	1,484 (100)	500 (100)	82 (100)