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Table 3 Bivariate correlations of symptom improvement variables in the open-label condition

From: Patients’ experiences treated with open-label placebo versus double-blind placebo: a mixed methods qualitative study

Symptom improvement

IBS-SSS

Interview

Yes/Noa

Degreeb

Yes/Noc

Degreed

IBS-SSS

Yes/Noa

Spearman’s rho

1

.551

− .149

− .276

p value

 

.079

.662

.411

Degreeb

Spearman’s rho

.551

1

.329

.161

p value

.079

 

.324

.637

Interview

Yes/Noc

Spearman’s rho

− .149

.329

1

.742

p value

.662

.324

 

.009

Degreed

Spearman’s rho

− .276

.161

.742

1

p value

.411

.637

.009

 
  1. Sample size n = 11
  2. IBS-SSS = irritable bowel severity scoring system
  3. a “Yes” is specified as at least 50 points of improvement on the IBS-SSS
  4. bDegree is specified as no (< 50 points improvement on the IBS-SSS), mild (≥ 50 points improvement), moderate (≥ 100 points improvement) or high (≥ 150 points improvement) improvement
  5. c “Yes” is specified as report of any symptom improvement in the interview
  6. dDegree is specified as report of no, mild, moderate or high improvement in the interview