Table 1.
Demographic data of subacute LBP, chronic LBP, and age- and gender-matched control groups.
| Variables | Mean (SD) |
P value | ||
|---|---|---|---|---|
| Subacute LBP group (n = 23) |
Chronic LBP group (n = 23) |
Control group (n = 30) |
||
| Gender, n (%) | ||||
| Male | 11 (47.8) | 12 (52.2) | 13 (43.3) | |
| Female | 12 (52.2) | 11 (47.8) | 17 (56.7) | |
| Age (years) | 22.7 (3.3) | 25.1 (5.4) | 24.3 (5.0) | 0.2358 |
| Body mass index (kg/m2) | 20.8 (1.5) | 20.7 (1.3) | 20.5 (1.3) | 0.6670 |
| Visual analog scale (mm) | 47.3 (18.1) | 52.4 (20.2) | – | |
| Duration of LBP (months) | 1.5 (1.7) | 21.3 (14.0) | – | |
| Modified Oswestry LBP disability questionnaire | 4.3 (3.4) | 6.4 (4.0) | – | |
| ADIM, pressure change (mmHg) (range) | 1.6 (1.0) (0–4) |
2.0 (1.4) (0–4) |
4.3 (1.8) (2–10) |
|
| ADIM, n (%) | ||||
| Normal | 2 (8.7) | 5 (21.7) | 26 (86.7) | |
| Abnormal | 21 (91.3) | 18 (78.3) | 4 (13.3) | |