TABLE 5. Data From SD-Like LBP Sufferers and Non-SD-Like LBP Sufferers.
| SD-Like | Non–SD-Like | t | Z | χ2 | P | |
|---|---|---|---|---|---|---|
| LBP type | ||||||
| All | ||||||
| Chronic | 8 (42.1%) | 21(28.4%) | 1.327 | 0.249 | ||
| Acute | 11 (57.9%) | 53 (71.6%) | ||||
| Males | ||||||
| Chronic | 6 (46.2%) | 7 (35%) | 0.411 | 0.522 | ||
| Acute | 7 (53.8%) | 13 (65.0%) | ||||
| Females | ||||||
| Chronic | 2 (33.3%) | 14 (25.9%) | 0.000 | 1.000 | ||
| Acute | 4 (66.7%) | 40 (74.1%) | ||||
| ODI score, % | ||||||
| All | 8 (2–18) | 4 (2–10) | 1.330 | 0.184 | ||
| Males | 6 (2–19) | 4 (0–5.5) | 1.273 | 0.221 | ||
| Females | 10.4 (8.4) | 7.0 (6.9) | 1.085 | 0.282 | ||
| Point LBP VAS score | ||||||
| All | 2.0 (0–3) | 0 (0–2) | 1.334 | 0.179 | ||
| Males | 0 (0–2) | 0 (0–2) | 0.485 | 0.676 | ||
| Females | 3.5 (1.5–5.3) | 0 (0–2) | 2.483 | 0.020* | ||
| Highest LBP VAS score in the past 2 yr | ||||||
| All | 6.4 (2.5) | 4.1 (2.5) | 3.564 | 0.001* | ||
| Males | 6.2 (2.6) | 4.0 (2.6) | 2.408 | 0.022* | ||
| Females | 6.8 (2.6) | 4.1 (2.5) | 2.510 | 0.015* | ||
| Work absence | ||||||
| All | 8 (42.1%) | 7 (9.5%) | 9.620 | 0.002* | ||
| Males | 6 (46.2%) | 2 (10%) | 0.035*† | |||
| Females | 2 (33.3%) | 4 (7.4%) | 0.105† | |||
| Seeking medical care | ||||||
| All | 13 (68.4%) | 29 (39.2%) | 5.216 | 0.022* | ||
| Males | 9 (69.2%) | 7 (35%) | 0.080† | |||
| Females | 4 (66.7%) | 22 (40.7%) | 0.611 | 0.434 |
Data are in number (%) or mean (standard deviation), or median (IQR).
*Statistically significant.
†Fisher exact test.
VAS indicates visual analogue scale; IQR, interquartile range; ODI, Oswestry Disability Index; LBP, low back pain.