Journal of Neurogastroenterology and Motility : eISSN 2093-0887 / pISSN 2093-0879

Table. 1.

Comparison Between the 2 Groups of Subjects in Each Protocol Regarding Demography, Comorbidity, and Gastrointestinal Symptoms

Variable Protocol 1
(Phasic isobaric distensions)
n =369
Protocol 2
(Ramp inflation/random phasic distensions)
n = 153
P-value
Sex (female/male) 279/90 (74.5%/24.5%) 105/48 (68.5%/31.5%) 0.100
Age (yr) 38.5 (12.7) 34.5 (11.8) 0.002a
BMI (kg/m2) 23.5 (3.8) 23.5 (3.8) 0.532
IBS duration more than 5 yr (yes/no) 164/39 (81.0%/19.0%) 104/44 (70.0%/30.0%) 0.022a
IBS subtype (C/D/M and U) 52/92/92 (22.0%/39.0%/39.0%) 25/59/67 (16.5%/39.0%/44.5%) 0.361
HAD anxiety 7.7 (4.5) 8.4 (4.5) 0.154
HAD depression 5.1 (3.7) 5.2 (3.5) 0.832
GSRS-IBS 2.90 (0.92) 3.30 (0.94) < 0.001a
OATT (day) 1.64 (0.10) 1.48 (0.10) 0.196

aIndicates a P-value ≤ 0.05.

BMI, body mass index; IBS, irritable bowel syndrome; C/D/M and U, constipated/diarrhea/mixed and unsubtyped; HAD, hospital anxiety and depression scale; GSRS, gastrointestinal symptom rating scale; OATT, oroanal transit time.

Data are presented as n (%) or mean (SD).

J Neurogastroenterol Motil 2022;28:630~641 https://doi.org/10.5056/jnm21214
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