Table 3. Outcome measures after intervention and at 3-week follow-up for irritable bowel syndrome (IBS) (N = 19) and inflammatory bowel disease (IBD) (N = 29).

Irritable Bowel Syndrome	Baseline (Pre-Intervention)	Week 5 (Mid-Intervention)	Week 10 (Post-Intervention)	Week 13 (Short-Term Follow-Up)	Overall P-value
Pain Catastrophizing Scale (PCS)	10.7	12.2	10.0	5.0*	0.021
State-Trait Anxiety Inventory(STAI-Y)—State Anxiety	37.2	35.8	31.6	30.8	0.18
State-Trait Anxiety Inventory(STAI-Y)—Trait Anxiety	39.0	35.9	34.3*	33.7*	0.034
IBS Quality of Life (IBS-QOL)	67.1	71.5	74.8*	80.6***	0.009
IBS Symptom Severity Index (IBS-SSI)	215.0	153.7**	127.5***	147.1*	0.002
Inflammatory Bowel Disease
Pain Catastrophizing Scale (PCS)	14.8	14.0	10.6*	9.6*	0.003
State-Trait Anxiety Inventory(STAI-Y)—State Anxiety	36.9	36.0	31.6	31.7	0.14
State-Trait Anxiety Inventory(STAI-Y)—Trait Anxiety	39.3	36.6	32.4**	33.6*	0.012
IBD Questionnaire (IBD-Q)	171.2	172.0	185.0**	184.3*	0.01

*P<0.05

**P<0.01

***P<0.001

Indicate mixed model analysis estimating change from baseline scores