TABLE I.
Patient Characteristics at Baseline
| Patient Characteristics at Baseline | CCH (N = 78) | PNF (N = 78) |
| Age (yr) | ||
| Mean ± stand. dev. | 65 ± 8.1 | 68 ± 9.1 |
| Median (range) | 66 (42-80) | 69 (29-86) |
| Sex (no. [%]) | ||
| Male | 65 (83%) | 68 (87%) |
| Female | 13 (17%) | 10 (13%) |
| Hand with contracture (no.) | ||
| Right | 48 | 43 |
| Left | 30 | 35 |
| Finger involved (no.) | ||
| Little | 40 | 40 |
| Ring | 32 | 33 |
| Long | 6 | 5 |
| Flexion contracture at MCP joint (°) | ||
| Median | 44 | 45 |
| Mean | 46 | 46 |
| Range | 20-90 | 20-87 |
| Active range of motion of MCP joint (°) | ||
| Median | 41 | 41 |
| Mean | 40 | 41 |
| Range | 6-73 | 3-68 |
| Flexion contracture at all PIP joints (°) | ||
| Median | 0 | 0 |
| Mean | 11 | 7 |
| Range | −20-74 | −20-48 |
| Active range of motion of all PIP joints (°) | ||
| Median | 85 | 84 |
| Mean | 80 | 82 |
| Range | 30-116 | 42-116 |
| Grip strength of affected hand (kg) | ||
| Median | 45 | 40 |
| Range | 13-68 | 19-63 |
| Isolated MCP joint contracture (no. [%]) | 51 (65%) | 53 (68%) |
| MCP and PIP joint contracture* (no. [%]) | 27 (35%) | 25 (32%) |
| Duration since first symptoms (yr) | ||
| Median | 5 | 5 |
| Mean | 6 | 7 |
| Range | 1-20 | 1-30 |
| Family history (no.) | 38 | 41 |
| Diabetes (no.) | 5 | 7 |
| URAM score | ||
| Median | 11 | 10 |
| Range | 0-29 | 0-33 |
| QuickDASH score | ||
| Median | 16 | 11 |
| Range | 0-59 | 0-63 |
*
Defined as a concomitant PIP joint contracture with a passive PIP extension lag of >5°.