Table 3.
Descriptive statistics of the eight flexion-specific items
| Item No. | Item | Subgroup without NSCLBP (n = 24) | Subgroup with NSCLBP (n = 45) | Total group (n = 69) |
P-value of the difference between the subgroups | |||
|---|---|---|---|---|---|---|---|---|
| Evaluation | Not correct | correct | Not correct | correct | Not correct | correct | ||
| 1 | Forward bend | 1 (4%) | 23 (96%) | 3 (7%) | 42 (93%) | 4 (6%) | 65 (94%) | 0.672 |
| 2 | Waiters bow | 9 (38%) | 15 (62%) | 16 (36%) | 29 (64%) | 25 (36%) | 44 (64%) | 0.873 |
| 3 | Deep squat | 3 (12%) | 21 (88%) | 7 (16%) | 38 (84%) | 10 (14%) | 59 (86%) | 0.731 |
| 4 | Box lift | 9 (37%) | 15 (63%) | 23 (52%) | 22 (48%) | 32 (46%) | 37 (54%) | 0.280 |
| 5 | Unilat knee extension | 0 (0%) | 24 (100%) | 2 (4%) | 43 (96%) | 2 (3%) | 67 (97%) | 0.295 |
| 6 | Bilat knee extension | 1 (4%) | 23 (96%) | 5 (11%) | 40 (89%) | 6 (9%) | 63 (91%) | 0.352 |
| 7 | Chest drop | 3 (13%) | 21 (87%) | 12 (27%) | 33 (73%) | 15 (22%) | 54 (78%) | 0.174 |
| 8 | Rocking backwards | 6 (25%) | 18 (75%) | 22 (49%) | 23 (51%) | 28 (41%) | 41 (59%) | 0.054 |
| Full test battery | 32 (17%) | 160 (83%) | 90 (25%) | 270 (75%) | 122 (22%) | 430 (78%) | 0.027 | |
Number and percentage (%) of correctly or incorrectly completed items in the subgroups with and without Non-specific Chronic Low Back Pain (NSCLBP) and in the overall group; p = chi-square test, significant if < 0.05, significant values are marked in bold