Table 1

Age and sperm parameters from 10 control subjects (C) and 12 subjects over 45 year old (E)

Subjects		Age (y)	Sperm concentration (10⁶/ml)	Total count (10⁶/ejaculate)	Motility (%)	Normal spermatozoa (%)
1	C	33	75	255	35	66
2	C	28	26	88.9	40	59
3	C	40	104	789	35	60
4	C	29	200	540.5	40	82
5	C	34	85	212.5	35	5
6	C	31	80	561.4	45	70
7	C	37	130	728.4	30	69
8	C	29	77	215.6	45	54
9	C	36	27	108.8	25	66
10	C	32	85	366.7	35	74
Mean (SEM)		33 (1.24)	88.90 (15.81)	386.70 (80.00)	36.50 (1.98)	60.50 (6.66)
11	E	71	470	517	35	58
12	E	47	34	163	40	4159
13	E	52	30	132	40	5453
14	E	52	130	390	45	4134
15	E	51	35	170	30	5941
16	E	47	46	37	45	7054
17	E	57	20	34	20	5555
18	E	49	48	197	35	4541
19	E	50	90	170	30	5645
20	E	46	84	369.6	35	5278
21	E	57	119	166.6	40	3456
22	E	65	2.5	1	50	5852
23	E	52	41	156	45	70
24	E	63	25	102.5	35	45
25	E	52	40	140	35	27
26	E	50	90	90	30	45
Mean (SEM)		53.81 (1.77)	81.53 (27.45)	177.23 (34.57)	34.06 (2.55)	50.81 (12.73)