Age and sex constituent ratio of the proband and control pedigrees.
| Pedigree of probands (%) | Pedigree of controls (%) | χ2 | P | |
|---|---|---|---|---|
| Median age | 55 (40-73) | 54 (43-79) | ||
| Age groups | 7.20 | 0.07 | ||
| 40- | 78 (27.37) | 421 (29.75) | ||
| 50- | 116 (40.70) | 630 (44.52) | ||
| 60- | 88 (30.88) | 336 (23.75) | ||
| 70- | 3 (1.05) | 28 (1.98) | ||
| Sex | 1.21 | 0.27 | ||
| Male | 176 (61.75) | 824 (58.23) | ||
| Female | 109 (38.25) | 591 (41.77) | ||
| Total | 285 | 1415 |