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. Author manuscript; available in PMC: 2020 Apr 1.

Published in final edited form as: Pain. 2019 Apr;160(4):833–843. doi: 10.1097/j.pain.0000000000001461

Table 4.

Pearson Correlations Between Clinical Outcomes and QST Measurements in CLBP Participants

	Sex	Age	Opioid Use	Depression	Catastrophizing	Pain in Past Month	Pain in Last Week	Pain at Visit	LBP Bothersomeness	Pain Interference	Pain Duration
Sex	1	−0.150	−0.097	−0.148	0.015	0.202^**	0.140	0.062	0.078	0.004	−0.039
Age	−0.150	1	0.164^*	0.094	0.050	0.058	0.022	0.045	−0.014	0.122	0.220^**
Opioid Use	−0.097	0.164^*	1	0.185^*	0.236^**	0.111	0.155^*	0.163^*	0.088	0.239^**	−0.161^*
Depression	−0.148	0.094	0.185^*	1	0.547^**	0.276^**	0.307^**	0.252^**	0.310^**	0.460^**	0.014
Catastrophizing	0.015	0.050	0.236^**	0.547^**	1	0.359^**	0.407^**	0.333^**	0.429^**	0.521^**	−0.029
Two-point Discrimination-Finger	0.03	0.120	0.127	0.051	0.053	0.142	0.042	−0.039	0.082	0.076	0.071
Two-point Discrimination-Back	−0.023	0.172^*	0.123	0.129	0.143	0.117	0.072	0.026	0.082	0.145	0.081
P40 Pressure	−0.225^**	−0.035	0.005	−0.005	−0.152^*	−0.215^**	−0.163^*	−0.233^**	−0.221^**	0.067	0.067
Cuff Mean Pain Intensity	−0.023	0.066	−0.53	−0.101	0.112	0.153^*	0.162^*	0.034	0.101	0.022	0.022
Cuff Mean Pain Unpleasantness	0.094	−0.039	−0.093	0.015	0.256^**	0.14	0.164^*	0.071	0.144	0.023	0.023
Cuff Painful Aftersensations	0.104	−0.022	−0.072	0.133	0.188^*	0.246^**	0.15	0.082	0.131	−0.02	−0.02
1^st Probe Pain Rating	0.124	−0.169^*	−0.078	−0.027	0.102	0.163^*	0.078	0.016	0.131	−0.012	−0.004
10^th Probe Pain Rating	0.125	−0.205^**	−0.129	−0.076	0.054	0.191^*	0.116	0.126	0.131	0.19	−0.093
Pain Rating 64-256mN Probes	0.092	−0.220^**	−0.105	0.057	0.024	0.051	0.051	0.098	−0.005	−0.147	−0.147
Temporal Summation of Probes	0.046	−0.105	−0.088	−0.067	−0.019	0.095	0.073	0.134	0.119	0.032	−0.105
Probe Painful Aftersensations	0.144	−0.064	−0.122	−0.050	0.1	0.233^**	0.187^*	0.078	0.184^*	0.045	−0.46

^**

p<0.01

^*

p<0.05