Remarkable prevalence of coeliac disease in patients with irritable bowel syndrome plus fibromyalgia in comparison with those with isolated irritable bowel syndrome: a case-finding study

Table 1 Demographic data ^a

				IBS/FMS cases
			P value	Classified by Marsh stage			P value
	IBS	IBS/FMS	(IBS vs. FMS)	Marsh stage 0	Marsh stage 1	Marsh stage 3	(Marsh stages 1 and 3 vs. Marsh stage 0)
Sample size	125	104	NA	39	58	7	<0.001
Females	104 (84)	93 (89)	0.122	34 (87)	52 (90)	7 (100)	0.595
Age, years	51 (8)	50 (8)	0.668	49 (7)	51 (9)	49 (12)	0.146
BMI, kg/m²	27 (4)	26 (4)	0.388	25 (3)	28 (5)	24 (3)	0.003
Marital status
Single	3 (2)	2 (2)	0.748	1 (3)	2 (3)	1 (14)	0.892
Married	103 (82)	92 (89)	0.272	33 (85)	52 (90)	4 (57)	1.000
Domestic partnership	10 (8)	5 (5)	0.481	4 (10)	1 (0)	1 (14)	0.123
Separated/divorced	10 (8)	5 (5)	0.481	1 (3)	3 (5)	1 (14)	0.722
Education level
None	2 (2)	2 (2)	0.748	2 (5)	2 (3)	1 (14)	0.834
Primary school	92 (73)	75 (72)	0.918	29 (74)	42 (72)	2 (28)	0.865
Secondary education	27 (22)	24 (23)	0.914	10 (26)	11 (19)	3 (42)	0.810
Higher education	4 (3)	3 (3)	0.804	3 (8)	3 (5)	1 (14)	0.449
Labour status
Employed	59 (47)	47 (45)	0.864	21 (54)	24 (41)	2 (29)	0.242
Unemployed	26 (21)	22 (21)	0.922	7 (18)	13 (22)	2 (29)	0.844
Householder chores	23 (18)	19 (18)	0.883	8 (20)	9 (15)	2 (29)	0.709
Retired/pensioner	17 (14)	16 (15)	0.846	3 (8)	12 (21)	1 (14)	0.160
Participants with relatives diagnosed with CD	–	12 (11)	NA	2 (5)	10 (17)	2 (29)	0.161
Participants with relatives diagnosed with FMS	4 (3)	5 (5)	0.389	1 (2)	4 (7)	1 (14)	0.619

^aBMI, body mass index; CD, coeliac disease; FMS, fibromyalgia syndrome; IBS, irritable bowel syndrome; NA, not applicable. Data are expressed as total and percentage of the total value or mean and standard deviation.

ISSN: 1478-6362