Table 2.

Prevalence of gastrointestinal symptoms and patient-physician agreement.

Symptom	Presence		κ (95% CI)
	Patient	Physician
Daytime heartburn	41.6%	35.8%	0.62 (0.59-0.64)*
Night-time heartburn	39.3%	38.8%	0.78 (0.73-0.76)†
Acid regurgitation	36.5%	41.3%	0.63 (0.61-0.65)*
Dysphagia	3.4%	4.6%	0.51 (0.45-0.567)*
Epigastric burning	15.7%	17.7%	0.65 (0.63-0.68)*
Abdominal pain	14.2%	10.6%	0.52 (0.48-0.56)*
Nausea	9.0%	7.0%	0.57 (0.53-0.61)*
Vomiting	1.4%	1.2%	0.60 (0.50-0.70)†
Bloating	26.7%	23.1%	0.67 (0.65-0.69)*
Eructation	21.7%	18.0%	0.59 (0.56-0.62)*

*P < 0.0001, McNemar's test.

†Not significant.

CI, confidence interval.