Table 3.

Regression analysis of factors associated with RRCs among postfundoplication patients

	Univariate
Predictor of RRCs	OR	95% CI
Age	1.00	0.96–1.1
Sex, male	1.7	0.33–8.4
Opiate use	0	0
Midazolam dosage	0.99	0.77–1.3
Fentanyl dosage	1.01	0.99–1.02
Propofol use	1.7	0.24–11.4
Hiatal hernia	1.5	0.27–7.8
Integrated relaxation pressure†	1.04	0.94–1.16
EGJ distensibility index†	0.67	0.43–1.05
EGJ outflow obstruction
HRM	1.5	0.27–7.8
FLIP	0.50	0.10–2.5
Esophagram‡	0.45	0.07–3.1
Any method	1.8	0.30–10.9
Impaired inhibition*
a) Impaired inhibition on MRS§	16.0	1.2–210
b) Hypercontractility	3.7	0.42–32
a or b	11.7	1.8–76

RRC, repetitive retrograde contraction; OR, odds ratio; CI, confidence interval; FLIP, functional lumen imaging probe.

^‡n = 25.

^§n = 23.

^*Premature contractility was not observed in any of the postfundoplication patients.

^†Included as continuous variable.