Table 1 Comparability of groups regarding sex distribution (chi-square test)
From: Stability of class II subdivision malocclusion treatment with 3 and 4 premolar extractions
Group | Sex | Total (n) | |
|---|---|---|---|
Male (n) | Female (n) (N) | ||
Group 1 (3 premolar extractions) | 9 | 15 | 24 |
Group 2 (4 premolar extractions) | 20 | 8 | 28 |
Total | 29 | 23 | 52 |