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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: Clin J Pain. 2016 Nov;32(11):933–939. doi: 10.1097/AJP.0000000000000347

Table 2.

Quantitative Sensory Testing

Test Low Back
Pain
(N=31)
No-Pain
Control
(N=31)
P-value

Cold Detection Threshold [°C; Mean (SE)]
Remote area 27.96 (0.40) 27.58 (0.98) 0.72
Back area 28.30 (0.30) 28.11 (0.97) 0.85

Warm Detection Threshold [°C; Mean (SE)]
Remote area 35.89 (0.45) 34.54 (1.23) 0.3
Back area 35.91 (0.33) 33.97 (1.21) 0.13

Cold Pain Threshold [°C; Mean (SE)]
Remote area 19.47 (1.20) 14.24 (2.13) 0.04*
Back area 21.12 (1.28) 15.43 (2.16) 0.03*

Heat Pain Threshold [°C; Mean (SE)]
Remote area 39.58 (0.71) 37.37 (1.9) 0.29
Back area 38.5 (0.61) 36.56 (1.9) 0.33

Pressure Pain Threshold [KPa; Mean (SE)]
Remote area 190.52 (18.15) 215.15 (24.81) 0.43
Back area 174.28 (25.24) 310.68 (38.76) 0.005*

Mechanical Pain Threshold [mN; Mean (SE)]
Remote area 6.01 (0.15) 6.17 (0.30) 0.64
Back area 5.59 (0.20) 6.02 (0.30) 0.24

Mechanical Sensitivity [NRS 0–10; Mean (SE)]
Remote area 2.27 (0.35) 0.53 (0.14) 0.0001*
Back area 3.60 (0.45) 0.97 (0.22) 0.0001*

Wind-up Ratio [Mean (SE)]
Remote area 1.26 (0.10) 0.38 (0.10) 0.0001*
Back area 1.44 (0.13) 0.52 (0.14) 0.0001*

Dynamic Mechanical Allodynia [Mean (SE)]
Remote area 0.38 (0.14) 0.25 (0.09) 0.42
Back area 1.60 (0.42) 0.42 (0.12) 0.01*
*

reflects p<0.05