Comparison of reflux esophagitis and its complications between African Americans and non-Hispanic whites

Table 1 Demographic data of the study population

	AA (n = 88)	nHw (n = 171)
Male/female (%)	38/62	48/52
Age range (yr)	26-101	18-90
Mean age (mean ± SD)	58.5 ± 16.9	55.8 ± 14.5

P = NS for all, NS represents not significant.

Table 2 Indication for endoscopy by ethnicity n (%)

Indication	88 AA patients	171 nHw patients	P value
Heartburn	7 (8)	48 (28.1)	< 0.001
Dysphagia	14 (15.9)	37 (21.6)	NS
Upper GI bleeding	22 (25)	25 (14.6)	NS
Nausea/vomiting	8 (9.1)	5 (2.9)	< 0.040
Abdominal pain	15 (17)	31 (18.1)	NS
Abnormal X-ray	3 (3.4)	4 (2.3)	NS
Anemia	8 (9.1)	10 (5.9)	NS
Weight loss	4 (4.5)	2 (1.2)	NS
Other	7 (8)	9 (5.3)	NS

Table 3 Distribution of reflux esophagitis grade by ethnicity

Ethnicity	LA classification grade
	A	B	C	D
AA (%) (n = 76)	63.2	18.4	7.9	10.5
nHw (%) (n = 128)	71.1	12.5	7.0	9.4

P = NS.

Table 4 Prevalence of other endoscopic findings by ethnicity n (%)

	AA patients	nHw patients	P value
Hiatal hernia	18 (20.4)	39 (22.8)	NS
Stricture	2 (2.2)	10 (5.8)	NS
Ulcer	7 (7.9)	12 (7)	NS
Endoscopic Barrett's esophagus	4 (4.5)	27 (15.8)	< 0.01
Histological Barrett’s esophagus	0 (0)	9 (5.3)	0.03