Table 1. Demographics and patient characteristics.
| n | Percentage (%) | |
|---|---|---|
| Number of patients | 52 | – |
| Number of fingers | 61 | – |
| Age, mean ± SD (range), y | 57.5 ± 12.2 (39–78) | |
| Male | 40 | 76,9 |
| Female | 12 | 23,1 |
| BMI, mean ± SD (range), kg/m 2 | 29.7 ± 2.0 (26.1–32.3) | |
| Type of worker | ||
| Office worker | 13 | 25.0 |
| Heavy worker | 31 | 59.6 |
| Housewife | 8 | 15.4 |
| Diabetes | 11 | 21.2 |
| Alcohol use | 14 | 26.9 |
| Active smoking | 24 | 46.2 |
| Family history | 22 | 42.3 |
| Hand with contracture | ||
| Right | 35 | 67.3 |
| Left | 17 | 32.7 |
| Number of digits affected, percentage (%) | ||
| 1 | 45 | 86.5 |
| 2 | 5 | 9.6 |
| 3 | 2 | 3.8 |
| Finger involved | ||
| Thumb | 0 | 0 |
| Index | 5 | 8.2 |
| Middle | 11 | 18.0 |
| Ring | 19 | 31.1 |
| Little | 26 | 42.6 |
| Joints involved | ||
| MCPJ | 41 | 67.2 |
| MCPJ and PIPJ | 20 | 32.8 |
| Duration of symptoms ± SD (range), months | 14 ± 4.9 (6–24) | |
| Previous interventions | 14 | 26.9 |
| CCH | 8 | 15.3 |
| PNA | 6 | 11.5 |
| Time to disease recurrence ± SD (range), years | 2 ± 0.4 (1.5–2.5) | |
| Healing process | ||
| First intention | 55 | 90.2 |
| Second intention | 6 | 9.8 |
| Skin graft | 0 | – |
Abbreviations: BMI, body mass index; CCH, collagenase Clostridium histolyticum ; MCPJ, metacarpophalangeal joint; PIPJ proximal interphalangeal joint; PNA, percutaneous needle aponeurotomy; SD, standard deviation.