From: Chronic osteo-articular changes in patients with sickle cell disease
| Number of injuries | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Clinical data | 0 | 1–4 | ≥5 | Total | p value* | ||||
| N | % | N | % | N | % | N | % | ||
| Sex | |||||||||
| Male | 6 | 33.3 | 11 | 61.1 | 1 | 5.6 | 18 | 100 | 0.1156 |
| Female | 5 | 13.6 | 24 | 64.8 | 8 | 21.6 | 37 | 100 | |
| Total | 11 | 20.0 | 35 | 63.6 | 9 | 16.4 | 55 | 100 | |
| Skin color | |||||||||
| Black | 4 | 14.8 | 19 | 70.4 | 4 | 14.8 | 27 | 100 | 0.5575 |
| Non-black | 7 | 25.0 | 16 | 57.1 | 5 | 17.9 | 28 | 100 | |
| Total | 11 | 20.0 | 35 | 63.6 | 9 | 16.4 | 55 | 100 | |
| Age | |||||||||
| Young | 7 | 33.3 | 12 | 57.1 | 2 | 9.6 | 21 | 100 | 0.1215 |
| Adults | 4 | 11.7 | 23 | 67.6 | 7 | 20.6 | 34 | 100 | |
| Total | 11 | 20.0 | 35 | 63.6 | 9 | 16.4 | 55 | 100 | |
| Number of crises per year | |||||||||
| 0–3 | 5 | 14.7 | 24 | 70.6 | 5 | 14.7 | 34 | 100 | 0.3546 |
| ≥ 4 | 6 | 28.6 | 11 | 52.4 | 4 | 19.0 | 21 | 100 | |
| Total | 11 | 20.0 | 35 | 63.6 | 9 | 16.4 | 55 | 100 | |
| Intensity of crises | |||||||||
| Mild and moderate | 4 | 21.1 | 12 | 63.2 | 3 | 15.8 | 19 | 100 | 0.9886 |
| High | 7 | 19.4 | 23 | 63.9 | 6 | 16.7 | 36 | 100 | |
| Total | 11 | 20.0 | 35 | 63.6 | 9 | 16.4 | 55 | 100 | |
| HU use ≥ 1 years | |||||||||
| Yes | 4 | 11.4 | 28 | 72.8 | 3 | 8.6 | 35 | 100 | 0.0038** |
| No | 7 | 35.0 | 7 | 35.0 | 6 | 30.0 | 20 | 100 | |
| Total | 11 | 20.0 | 35 | 63.6 | 9 | 16.4 | 55 | 100 | |