Table III.
Parametric data for groups 1-2-3 (mean values given) (ANOVA test was used)
| Parameter | Group 1 (age 4–12) (n = 33) |
Group 2 (age 3–19) (n = 474) |
Group 3 (age > 20) (n = 525) |
P-value |
|---|---|---|---|---|
| Bar duration for bar stay [months] | 36.7 | 32.3 | 36.1 | 0.006 |
| Anterior diameter [cm] | 5 | 6.6 | 6.4 | 0.754 |
| Haller index | 4.2 | 3.5 | 3.8 | 0.299 |
| Postoperative hospital stay day | 0 | 0.1 | 0.2 | 0.687 |
| Height [m] | 1.10 | 1.74 | 1.79 | < 0.001 |
| Weight [kg] | 39 | 58 | 63 | 0.158 |
| Body mass index [kg/m2] | 32.2 | 19.1 | 19.3 | 0.003 |
| Surgery time (min) | 21 | 38 | 44 | 0.027 |