Five-year follow-up of 263 cases of functional bowel disorder

Table 1 Baseline clinic data for each functional bowel disorder

FBD	n (%)	Age (yr)(mean ± SD)	Gender (F/M)	Residence (urban/rural)	Duration of FBD
IBS	134 (47.1)	45.44 ± 10.32	63/71	68/66	6 mo-20 yr
Functional abdominal bloating	24 (9.1)	43.17 ± 11.86	10/14	13/11	6 mo-17 yr
Functional constipation	29 (11.0)	46.59 ± 13.22	10/19	12/17	6 mo-20 yr
Functional diarrhea	66 (25.1)	46.56 ± 9.34	41/25	34/32	6 mo-20 yr
Unspecified FBD	10 (3.8)	41.90 ± 13.40	4/6	4/6	6 mo-10 yr

No differences were found in age, gender, place of residence (urban or rural) or duration of functional bowel disorder (FBD) among groups (all P > 0.05). F: Female; M: Male; IBS: Irritable bowel syndrome.