Table 4.

Item scores of GSRS in IBS-D patients with low (LS) and high scores (HS) of somatization

	LS (n = 19)	HS (n = 28)	P
Single items
Halitosis	2.00 [1.00–4.00]	2.00 [1.00–4.00]	0.60
Abdominal pain	2.00 [1.00–3.00]	3.00 [2.00–3.77]	< 0.001
Heartburn	1.00 [1.00–3.00]	2.00 [1.00–3.55]	0.37
Acid regurgitation	2.00 [1.00–3.00]	2.00 [1.00–3.55]	0.08
Sucking sensation in the epigastrium	2.00 [1.00–3.00]	2.00 [1.00–3.55]	0.20
Nausea and vomiting	1.00 [1.00–3.00]	1.75 [1.00–3.00]	0.14
Borborygmus	2.00 [1.00–3.00]	3.00 [2.00–4.00]	0.02
Abdominal distension	3.00 [1.00–4.00]	3.00 [2.00–4.00]	0.03
Eructation	2.00 [1.00–3.00]	2.00 [1.00–4.00]	0.87
Increased flatus	3.00 [1.00–3.00]	3.00 [2.00–4.00]	0.14
Decreased passage of stools	1.00[1.00–4.00]	1.00 [1.00–4.00]	0.51
Increased passage of stools	2.00 [1.00–3.00]	2.00 [1.00–3.00]	0.97
Loose stools	2.00 [1.00–3.00]	2.00 [1.45–3.77]	0.42
Hard stools	1.00 [1.00–2.00]	1.00 [1.00–4.00]	0.05
Urgent need for defecation	2.00 [1.00–3.00]	3.00[1.45–3.55]	0.30
Feeling of incomplete evacuation	2.00 [1.00–3.00]	2.50 [1.00–4.00]	0.12

Data are expressed as Medians and Range. P-Value was determined by Mann–Whitney rank-sum test; differences were considered significant at  P < 0.05. LS, Low somatization level; cut-off score < 63. HS, High somatization level; cut-off score ≥ 63