TABLE 8.
Success rates in studies with further recorded observation periods
| Author | Number receiving intervention | Observation period (months) | Number available at follow up | Failures % (n) | Calculated % success (n) | Mature success % (n) | Immature success % (n) |
|---|---|---|---|---|---|---|---|
| Fuks et al. (1982) | 38 | ≥36 | 15 a | 6.6 (1) | 93.3 (14) | 0 (0) | 93.3 (14) |
| Fuks et al. (1993) | 63 | 90–132 | 40 b | 12.5 (5) a | 87.5 (35) | NA | NA |
| Cvek (1993) | 178 | 37–72 | 162 c | 0 | 100 (162) | 100 (84) | 100 (78) |
| Cvek (1993) | 178 | 73–108 | 85 c | 0 | 100 (85) | 100 (43) | 100 (42) |
| Cvek (1993) | 178 | 109–114 | 52 c | 0 | 100 (52) | 100 (27) | 100 (25) |
| Cvek (1993) | 178 | 145–180 | 29 c | 0 | 100 (29) | 100 (12) | 100 (17) |
2 patients diagnosed as failure in first 6 months not included.
4 further patients were diagnosed with pulpal necrosis within 6 months of treatment and were not recalled so are not included in data for this study.
6 patients diagnosed as failure in first 36 months not included in data for this study.