Table 3 Final model to predict delayed gastric emptying.

Variable	OR (95% CI)	p Value
Age	0.99 (0.98, 1.00)	0.04
Female sex	1.62 (1.13, 2.33)	0.01
Body mass index
Underweight	2.93 (1.03, 8.30)	0.04
Overweight	0.87 (0.61, 1.24)	0.44
Obese	0.69 (0.47, 1.02)	0.06
IBS constipation	1.43 (0.84, 2.43)	0.18
Diarrhoea	1.01 (0.38, 2.69)	0.98
Alternating	1.23 (0.67, 2.27)	0.50
Epigastric pain*	1.02 (0.76, 1.36)	0.91
Early satiety*	1.01 (0.61, 1.68)	0.98
Nausea*	1.12 (0.88, 1.42)	0.35
Bloating*	0.86 (0.54, 1.35)	0.50
Postprandial fullness*	1.98 (1.02, 3.86)	0.04
Centre type
Primary	2.43 (1.02, 5.79)	0.05
Tertiary	0.97 (0.69, 1.35)	0.85

*Moderate or severe symptom (yes/no).

OR (95% CI), odds ratio (95% confidence interval); IBS, irritable bowel syndrome.