Table 5. Clinical correlations between anxiety, WGTT and orocecal transit for HV and IBS subtypes.

Correlation	HV	IBS-C	IBS-nonC
Anxiety and OCTT	Spearman r =0.12	Pearson r =−0.39	Pearson r =−0.39
	P =0.51	P =0.14	P =0.02
Anxiety and WGTT	Spearman r =0.16	Pearson r =−0.69	Spearman r =0.21
	P =0.37	P ≤0.05	P =0.21

HV, healthy volunteers; IBS, irritable bowel syndrome; IBS-C, IBS with constipation; IBS-D, IBS patients with diarrhea; OCTT, orocecal transit time; WGTT, whole-gut transit time.