Table 1 Study population characteristics and clinical findings (dichotomous and categorical variables)
From: Oral findings in patients with cartilage-hair hypoplasia - cross-sectional observational study
|  | Individuals with CHH n = 23 | Controls n = 46 | Difference between groups p value |
|---|---|---|---|
Gender (male/female) | 9/14 (39/61%) | 17/29 (37/63%) | 0.861# |
Age mean (range) in years | 40(5–70) | 36(5–76) | 0.321## |
Children’s CHH growth percentile* < 10 10–25 50 | 1 1 1 |  |  |
Adult height (cm) | |||
< 115 | 4 |  |  |
115–130 | 9 |  |  |
> 130 | 6 | 40 |  |
Unknown | 1 | Â | Â |
Smoking (yes) | 4 (17%) | 3 (11%) | 0.159# |
Oral mucosal lesions (yes) | 7 (30%) | 4 (9%) | 0.036# |
TMD (yes) | 4 (17%) | 7 (15%) | 0.809# |
Oral fluid aMMP-8 > 20 ng/ml** | 9/20 (45%) | 18/40 (45%) | 1.0# |
Decay in deciduous dentition | 1/3 | 0/6 | Â |
Profile convex normal concave | 9 13 0 | 27 19 0 | Â |
Angle classification of occlusion I II III | 16 7 0 | 31 14 1 | 0.709# |
Overjet median (range) in mm | 3(-3.5–8) | 3(0–11) |  |
Overbite median(range) in mm | 2(-2–6) | 2(-3–8) |  |