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Survival time statistics calculated using the Kaplan-Meier analysis
| Treatment | Success | Fail | Mean failure time (month) | 95% CI | |
|---|---|---|---|---|---|
| Twisted wire | 113 (81.9%) | 25 (18.1%) | 23.48 | 23.14 | 23.81 |
| Ribbon wire | 102 (91.1%) | 10 (8.9%) | 23.53 | 23.09 | 23.97 |
CI confidence interval
