From: Evaluation of a modified clinical prediction rule for use with spinal manipulative therapy in patients with chronic low back pain: a randomized clinical trial
mCPR status
Treatment group
SMT
AET
Meana(95%CI)
Mean(95%CI)
Negative on mCPR
3.65a (3.42, 3.89) st dev = .76
4.14 (3.88, 4.04) st dev = .55
n = 26
n = 21
Positive on mCPR
3.97 (3.80, 4.13) st dev = .58
3.96 (3.80, 4.13) st dev = .54
n = 52
n = 49