Cervical length and volume regeneration in relation with the age at the procedure
| Age (years) | 25–29 (n=36) | 30–34 (n=41) | 35–39 (n=44) | 40–44 (n=30) | ≥45 (n=14) | P value |
| Length regeneration | 89.6±6.1 | 90.1±5.4 | 89.6±6.6 | 89.1±7.8 | 88.0±5.7 | 0.864 |
| Volume regeneration | 87.5±7.7 | 89.0±7.9 | 83.9±20.0 | 84.6±13.4 | 86.1±9.0 | 0.420 |
Data are mean±SD as appropriate.