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Table 3 QST Z-scores comparing yoga participants and 11 matched pain-free controls

From: A feasibility study on yoga’s mechanism of action for chronic low back pain: psychological and neurophysiological changes, including global gene expression and DNA methylation, following a yoga intervention for chronic low back pain

Measure T1 mean (SD) T2 mean (SD) 95% CI (lower, upper)
Mechanical pain threshold – control  − 4.10 (4.99)  − 1.45 (2.22)  − 7.29, − 0.90
Mechanical pain threshold – pain site  − 1.53 (1.41)  − 0.63 (1.36)  − 2.61, − 0.44
Mechanical pain sensitivity – control 0.43 (1.16) 0.5 (0.83)  − 0.53, 1.39
Mechanical pain sensitivity – pain site 0.43 (1.08)  − 0.19 (0.34)  − 0.49, 1.36
Cold Pain Threshold – control 0.79 (1.12) 0.78 (0.99)  − 0.16, 1.74
Cold Pain Threshold – pain site 0.72 (0.97) 0.36 (1.17)  − 0.16, 1.60
Heat Pain Threshold – control  − 0.98 (1.51)  − 0.40 (0.85)  − 2.12, 0.17
Heat Pain Threshold – pain site  − 0.83 (1.09)  − 0.49 (1.30)  − 1.80, 0.10
Pressure Pain Threshold – control  − 0.64 (0.95)  − 0.40 (0.85)  − 1.53, 0.25
Pressure Pain Threshold – pain site  − 1.25 (0.73)  − 1.00 (0.88)  − 2.05, − 0.46