Table 2

Kaplan-Meier product limit estimates of probabilities of success

Age group, years
Probability of success (95% CI)



With fascial interposition
Without fascial interposition



Azoospermia, 14 weeks

Overall
71% (67, 76)
61% (56, 66)
<30
91% (85, 97)
62% (51, 72)
30 to 34
71% (63, 80)
64% (56, 73)
35 to 39
69% (59, 79)
64% (54, 73)
40+
48% (37, 59)
53% (44, 63)


Azoospermia, 34 weeks

Overall
86% (82, 91)
83% (78, 87)
<30
95% (90, 99)
80% (71, 90)
30 to 34
85% (77, 93)
81% (74, 86)
35 to 39
89% (81, 97)
88% (81, 95)
40+
75% (59, 91)
81% (72, 90)


Severe Oligozoospermia, 14 weeks

Overall
91% (88, 94)
82% (78, 86)
<30
94% (89, 99)
77% (68, 87)
30 to 34
89% (83, 95)
82% (75, 89)
35 to 39
91% (85, 97)
84% (76, 91)
40+
91% (85, 97)
83% (76, 90)


Severe Oligozoospermia, 34 weeks

Overall
94% (92, 97)
87% (84, 91)
<30
95% (90, 99)
86% (80, 96)
30 to 34
92% (87, 97)
87% (81, 93)
35 to 39
96% (91, 100)
89% (82, 96)
40+
95% (89, 100)
86% (79, 93)

CI: Confidence interval

Sokal et al. BMC Medicine 2004 2:6   doi:10.1186/1741-7015-2-6