Table 1 |
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Effectiveness data for all age groups (effectiveness range) |
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| Method |
Proportion Oligospermic at 12 Weeks |
Proportion Oligospermic at 24 Weeks |
Proportion Virile at 24 weeks |
|
|
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| L and E* |
0.82 (0.78 – 0.86) |
0.873 (0.84 – 0.91) |
0.127 (0.9 – 0.16) |
| L and E with FI* |
0.91 (0.88 – 0.94) |
0.952 (0.926 – 0.97) |
0.048 (0.03 – 0.074) |
| Cauteryγ |
0.964 (0.94 – 0.981) |
0.99 (0.977 – 0.998) |
0.01 (0.002 – 0.023) |
| Cautery with FIψ |
0.97 (0.947 – 0.984) |
0.995 (0.982 – 0.999) |
0.005 (0.001 – 0.018) |
|
|
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* Based on data from Sokal D, Irsula B, Hays M, Chen-Mok M, Barone MA: Vasectomy by ligation and excision, with or without fascial interposition: a randomized controlled trial [ISRCTN77781689]. BMC Medicine 2004, 2:6. γ Based on data from Barone MA, Irsula B, Chen-Mok M, Sokal DC: Effectiveness of vasectomy using cautery. BMC Urology 2004, 4:10 and Sokal D, Irsula B, Chen-Mok M, Labrecque M, Barone MA: A comparison of vas occlusion techniques: cautery more effective than ligation and excision with fascial interposition. BMC Urology 2004, 4:12. ψ Based on estimation from above studies using a binomial distribution as the confidence interval. |
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Seamans and Harner-Jay Cost Effectiveness and Resource Allocation 2007 5:8 doi:10.1186/1478-7547-5-8 |
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