Table 1.
Bivariate analysis of factors associated with Kienböck disease
| Incidental Kienböck (n=5) | Symptomatic Kienböck (n=13) | P Value** | All Kienböck (n=18) | |
|---|---|---|---|---|
| Mean (95% CI*) | Mean (95% CI) | Mean (95% CI) | ||
| Age in years | 43 (21-66) | 41 (31-51) | 0.77 | 42 (34-50) |
| n (%) | n (%) | n (%) | ||
| Men | 3 (60%) | 11 (85%) | 0.53 | 14 (78%) |
| Ethnicity | ||||
| White British | 5 (100%) | 10 (77%) | 0.99 | 15 (83%) |
| European | 0 (0%) | 1 (8%) | 1 (6%) | |
| African/South American | 0 (0%) | 1 (8%) | 1 (6%) | |
| Asian | 0 (0%) | 1 (8%) | 1 (6%) | |
| Imaging Modality | ||||
| Radiograph | 4 (80%) | 7 (54%) | 0.60 | 11 (68%) |
| Computed Tomography | 1 (20%) | 6 (46%) | 7 (32%) | |
| Medical Co-morbidities | ||||
| No co-morbidities | 3 (60%) | 5 (39%) | 0.45 | 8 (44%) |
| 1 - 3 co-morbidities | 1 (20%) | 7 (54%) | 8 (44%) | |
| >3 co-morbidities | 1 (20%) | 1 (8%) | 2 (11) | |
| Smoking Status | ||||
| Smoker | 2 (40%) | 9 (69%) | 0.33 | 11 (61%) |
| Non-smoker | 3 (60%) | 4 (31%) | 7 (39%) | |
| Alcohol Intake | ||||
| Below limits | 4 (80%) | 8 (62%) | 0.62 | 12 (67%) |
| Above limits | 1 (20%) | 5 (39%) | 6 (33%) |
*
CI: confidence interval
**
Compared between Incidental and Symptomatic Kienböck groups