. Author manuscript; available in PMC: 2015 Oct 1.

Published in final edited form as: Biol Res Nurs. 2014 Jan 24;16(4):368–377. doi: 10.1177/1099800413520486

Table 3.

Correlation of Conditioned Pain Modulation Efficacy with Pain Impact, Pain Behavior and Daily Symptoms

Symptoms	HC Correlation^a	p	IBS Correlation^a	p	IBS outlier excluded Correlation^a	p
*Recalled over 7 days*
Pain Impact			−.27	NS	−.21	NS
Pain Behavior			−.31	.18	−.40	.092
*Daily symptoms*
GI symptom scores
Abdominal pain	−.09	NS	−.48	.034	−.29	NS
Lower GI symptoms	−.06	NS	−.60	.006	.40	.086
Upper GI symptoms	−.01	NS	.24	.NS	−.09	.NS
Somatic pain	−.06	NS	.14	NS	−.04	NS
Psychological symptoms and fatigue
Anxiety	.08	NS	−.31	.18	−.64	.003
Depressed	.31	.18	−.13	NS	−.30	NS
Stressed	.13	NS	−.37	.11	−.63	.004
Fatigue	.02	NS	−.30	.20	−.56	.012

Note. HC = Healthy Controls. IBS = Irritable Bowel Syndrome.

Pearson’s correlation. Pain Behaviors and Pain Impact are from the Patient-Reported Outcomes Measurement Information System (PROMIS) - short forms.

GI = Gastrointestinal.

NS = p ≥ .20.