Table 2.
The IFCRs of SPA and AVR angle for thoracic, lumbar, and overall curves under four tests in the first part (N = 10).
| By ultrasound | Test 1 | Test 2 | Test 3 | Test 4 |
| Mean IFCR (SD) of thoracic SPA (%) | 41.4 (21.4)c | 63.6 (21.3)a | 38.5 (23.0)c | 41.6 (30.2)c |
| Mean IFCR (SD) of lumbar SPA (%) | 63.5 (20.4) | 65.6 (20.0) | 63.1 (20.0) | 61.7 (23.9) |
| Overall IFCR (SD) of SPA (%) | 52.4 (17.7)d | 64.6 (17.7)b | 50.8 (17.9)d | 51.6 (22.2)d |
| Mean IFCR (SD) of thoracic AVR (%) | 15.9 (11.1) | 21.5 (16.4) | 18.1 (7.3) | 17.0 (11.4) |
| Mean IFCR (SD) of lumbar AVR (%) | 30.0 (15.8) | 26.8 (13.4) | 33.9 (21.4) | 31.3 (15.1) |
| Overall IFCR (SD) of AVR (%) | 23.0 (12.5) | 24.2 (10.5) | 26.0 (12.7) | 24.2 (11.4) |
Abbreviations: AVR, axial vertebral rotation; IFCR, in-force correction rate; SPA, spinous process angle.
a
P < 0.001 among four tests.
b
P < 0.01 among four tests.
c
P < 0.001 compared with test 2.
d
P < 0.01 compared with test 2.