Table 2.
Self-reported demographic data for cases and controls
| Variable | Cases | Controls | |||||
|---|---|---|---|---|---|---|---|
| (n = 21) | (n = 21) | ||||||
| Mean | SD | Range | Mean | SD | Range | p-value | |
| Age (years) | 46.1 | 15.6 | (23–77) | 44.7 | 14.8 | (22–71) | 0.76 |
| Height (cm) | 168.6 | 7.5 | (157–185) | 172 | 6.0 | (160–185) | 0.12 |
| Weight (kg) | 68.1 | 10.3 | (52–88) | 66.2 | 9.1 | (56–88) | 0.53 |
| Mean | Median | Range | Mean | Median | Range | ||
| NDI | 15.3 | 14 | (11–27) | 1.9 | 2 | (0–4) | <0.01 |
| BDI | 5.7 | 5 | (0–23) | 2.2 | 0 | (0–14) | <0.01 |
| SF36-PCS | 42.1 | 41.1 | (29–64) | 53.8 | 55.5 | (39–62) | <0.01 |
| SF36-MCS | 50.4 | 50.5 | (25–93) | 57.6 | 59.1 | (38–68) | <0.01 |
| NRS (P.P.) | 4.4 | 4 | (1–8) | ------ | ------ | ------ | ------ |
| NRS (Week) | 5.1 | 6 | (2–10) | ------ | ------ | ------ | ------ |
| Pain duration (months) | 92.8 | 30 | (6–420) | ------ | ------ | ------ | ------ |
Self reported data on age, height, weight, Neck Disability Index (NDI), Beck Depression Inventory (BDI), Physical Component Score of SF36-PCS, Mental Component Score of the SF36-MCS, Present Pain (P.P.) intensity and average pain during last week (Week) on a Numeric Rating Scale (NRS).
------ Information from controls not gathered.