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Failure rate depending on surgical experience.
| Surgical experience (years) | Retro: surgery (n) | Failure rate (n) | (%) | Goal (%) | Pro: surgery (n) | Failure rate (n) | (%) | Stat. signific. (p) |
|---|---|---|---|---|---|---|---|---|
| Overall | 101 | 36 | 35.64 | <17.82 | 103 | 7 | 6.80 | 0.002∗1 |
| 1–7 years | 49 | 16 | 32.65 | <16.33 | 25 | 1 | 4.00 | 0.136∗1 |
| ≥7 years | 36 | 17 | 47.22 | <23.61 | 54 | 5 | 9.26 | 0.012∗1 |
| ≥25 years | 16 | 3 | 18.75 | <9.38 | 24 | 1 | 4.17 | 0.655∗1 |
Statistical analysis: ∗1two-sided binomial test. n: number of surgeries.
