Table 5.

Logistic Regression Analyses of Baseline Predictors on Severe Postprandial Fullness^* in Idiopathic and Diabetic Gastroparetics (n=198)

Baseline characteristic	Unadjusted Analyses			Adjusted Analyses
	OR	CI	P†	OR	CI	P‡
Etiology (diabetic vs idiopathic)	1.73	(0.92, 3.25)	0.09	2.13	(0.92, 4.91)	0.08
BMI (kg/m2)	0.97	(0.93, 1.00)	0.08	0.94	(0.89, 0.99)	0.01
PAGI-SYM, nausea score	1.54	(1.27, 1.88)	<0.001	2.15	(0.92, 5.06)	0.08
PAGI-SYM, vomiting score	1.39	(1.14, 1.68)	0.001	1.09	(0.69, 1.73)	0.72
PAGI-SYM, retching score	1.28	(1.06, 1.55)	0.01	0.52	(0.31, 0.87)	0.01
PAGI-SYM, stomach visibly larger score	2.03	(1.60, 2.57)	<0.001	1.62	(1.28, 2.04)	<0.001
PAGI-SYM, upper abdominal pain sub-score	1.68	(1.40, 2.02)	<0.001	1.68	(1.27, 2.21)	<0.001

^*Severe postprandial fullness defined as ‘severe’ or ‘very severe’ excessively full after meals score on the PAGI-SYM instrument

^†Unadjusted odds ratios, 95% confidence limits, P values determined from logistic regression models of severe fullness on each predictor

^‡Adjusted odds ratios, 95% confidence limits, P values were determined from a multiple logistic regression analyses of severe fullness using all baseline predictors indicated. This model was determined from Akaike Information criteria (AIC) best subsets variable selection using a candidate set of baseline variables: gender, age at enrollment, etiology, race, BMI, SF-36 physical score, SF-36 mental score, PAGI-QOL total score, solid GES 2 hour retention percent, solid GES 4 hour retention percent, and the following PAGI-SYM items: nausea score, vomiting score, retching score, bloating score, stomach visibly larger score, upper abdominal pain sub-score, and GERD sub-score.