Table 2.
Partial Correlations between Comorbidity and Illness/Symptom Burden Variables (Controlling for Confounding Variables)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|
| 1. Medical Comorbidities | - | ||||||||
| 2. Mental Comorbidities | 0.17* | - | |||||||
| 3. Total Comorbidities | 0.94** | 0.51** | - | ||||||
| 4. IBS-SSS | 0.14 | 0.10 | 0.16 | - | |||||
| 5. Abdominal Pain | 0.09 | 0.13 | 0.12 | 0.47** | - | ||||
| 6. IBSQOL | −0.28** | −0.30** | 0.35** | −0.41** | −0.21* | - | |||
| 7. BSI-GSI | 0.21* | 0.64** | 0.42** | 0.29** | 0.15 | −0.42** | - | ||
| 8. MCS | −0.08 | −0.46** | −0.24** | −0.35** | −0.14 | 0.47** | −0.52** | - | |
| 9. PCS | −0.41** | −0.23** | −0.45** | −0.35** | −0.18* | 0.36** | −0.35** | −0.04 | - |
Note:
*
p<.05;
**
p<.01. Total comorbidities = overall number of mental and physical comorbidities; SF-12 = Short Form-12; PCS = Physical Component Summary Scale; MCS = Mental Component Summary Scale; BSI-GSI = Brief Symptom Inventory-Global Severity Index; IBSQOL = IBS Quality of Life; IBS-SSS = Irritable Bowel Syndrome Symptom Severity Scale