Table 1 Baseline demographic characteristics of unchanged and improved groups, presented as mean (sd) and p-value
From: Responsiveness of clinical tests for people with neck pain
Variable | Total (164) | Unchanged (n = 144) | Improved (n = 20) | p-value |
|---|---|---|---|---|
Sex – female n (%) | 128 (77) | 111 (77) | 16 (81) | 0.69 |
Age in years | 45.1 (11.7) | 45.2 (11.7) | 44.9 (12.1) | 0.92 |
Height in cm | 170.0 (8.2) | 169.8 (8.2) | 171.2 (8.6) | 0.47 |
Weight in Kg | 77.2 (16.8) | 76.8 (16.4) | 80.0 (19.5) | 0.41 |
Cause - traumatic onset (%) | 97 (59.0) | 90 (62.3) | 11 (52.7) | 0.75 |
Duration of neck symptoms in months | 108.4 (105.8) | 99.8 (94.1) | 167.2 (155.5) | 0.006* |
Baseline NDI | 21.5 (7.3) | 21.3 (7.2) | 22.9 (7.8) | 0.06 |