The Prevalence of Functional Gastrointestinal Disorders in the Chinese Air Force Population

Table 2

The prevalence of functional gastrointestinal disorders (FGIDs) using Rome classification and the modified questionnaire.

Functional gastrointestinal disorders	Aircrew (𝑛=787)	Ground personnel (𝑛=3846)	𝑃 value	Total (𝑛=4633)
A. Esophageal disorders	34 (4.32)	120 (3.12)	0.087	154 (3.26)
A1: globus	9 (1.14)	30 (0.78)	0.309	39 (0.84)
A2: functional chest pain	6 (0.76)	40 (1.04)	0.474	46 (0.99)
A3: functional heartburn*	19 (2.41)	45 (1.17)	0.006	64 (1.38)
A4: functional dysphagia	1 (0.13)	10 (0.26)	0.419	11 (0.24)
B. Gastroduodenal disorders	105 (13.34)	430 (11.2)	0.084	535 (11.54)
B1: functional dyspepsia	50 (6.35)	221 (5.75)	0.509	271 (5.85)
B2: belching disorders	22 (2.80)	97 (2.72)	0.659	119 (2.57)
B3: nausea and vomiting disorders*	40 (5.08)	281 (7.31)	0.025	321 (6.93)
B3a: chronic idiopathic nausea*	21 (2.67)	71 (1.84)	0.024	92 (1.99)
B3b: functional vomiting*	1 (0.13)	28 (0.87)	0.031	29 (0.62)
B3c: cyclic vomiting syndrome*	23 (2.92)	191 (4.97)	0.013	214 (4.62)
B4: rumination syndrome in adults	4 (0.51)	18 (0.47)	0.999	22 (0.47)
C. Bowel disorders*	102 (12.96)	355 (9.10)	0.001	457 (9.86)
C1: irritable bowel syndrome*	45 (5.72)	142 (3.70)	0.009	187 (4.04)
C2: functional abdominal bloating	68 (8.64)	228 (5.93)	0.005	296 (6.39)
C3: functional constipation*	16 (2.03)	29 (0.75)	0.001	45 (0.97)
C4: functional diarrhea	15 (1.91)	56 (1.46)	0.349	71 (1.53)
D. Functional abdominal pain	2 (0.27)	0 (0.00)	NC^∧	2 (0.05)
F. Anorectal disorders*	23 (2.92)	258 (6.71)	0.000	281 (6.07)
F1: functional incontinence*	3 (0.38)	106 (2.76)	0.000	109 (2.35)
F2: functional anorectal pain	22 (2.80)	153 (3.98)	0.113	175 (3.78)
F2a: levator ani syndrome	2 (0.27)	21 (0.55)	0.434	23 (0.50)
F2b: proctalgia fugax	20 (2.54)	134 (3.48)	0.179	154 (3.32)

^#Subjects may have more than one group of disorders.
* P < 0.05 aircrew versus ground personnel.
^∧NC: not compared.