Table 1 Range of motion and predicted minimum mean differences between back pain and control groups
From: The Back Pain and Movement (B-PAM) registry; a study protocol
ROM outcome | Non-back pain group Observed Mean (SD) | Predicted minimum mean difference between control and back pain group |
|---|---|---|
Lordosis | ||
 30–39 years | -30 (6.9) | ± 2.76 |
 40–49 years | −32 (10.1) | ± 4.04 |
 50–65 years | − 36 (12.2) | ± 4.88 |
Standing flexion | ||
 30–39 years | 46 (11) | ± 4.4 |
 40–49 years | 48 (6) | ± 2.4 |
 50–65 years | 46 (9) | ± 3.6 |
Standing extension | ||
 30–39 years | −26 (10) | ± 4.0 |
 40–49 years | −18 (11) | ± 4.4 |
 50–65 years | −17 (14) | ± 5.6 |