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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