| MAPE group | SARPE group | P-Value |
---|---|---|---|
 | N = 27 (84.4%) | N = 5 (15.6%) |  |
Age (years) | 26.8 ± 8.2 | 41.3 ± 9.9 | =0.005* |
Age range (years) | 18 - 49 | 31 - 58 | Â |
Age group (18-30) (n) | 21 | 0 | Â |
Age group (30-40) (n) | 4 | 3 | Â |
Age group (40-60) (n) | 2 | 2 | Â |
Gender (Female/Male) (n) | 19/8 | 3/2 | =1 |
Expansion (anterior) (mm) | 5.4 ± 1.5 | 6.3 ± 3.0 | <0.0001* |
Expansion (posterior) (mm) | 2.5 ± 1.1 | 4.0 ± 2.1 | =0.125 |
Screw expansion (mm) | 6.4 ± 1.9 | 5.9 ± 0.9 | =0.91 |
Duration of expansion (days) | 81.2 ± 31.0 | 85.4 ± 75.5 | =0.499 |
Retention (days) | 298.9 ± 142.7 | 325.0 ± 230.5 | =0.775 |