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. 2021 May 3;21:201. doi: 10.1186/s12876-021-01707-7

Table 2.

Demographic characteristics of patients with GERD and Controls, endoscopic findings and Acid exposure time in 24 h

EE BE AAE NAE Control
n (%) 23 (28.04%) 16 (19.51%)

13

(15.85)

13

(15.85)

17

(20.73)

Age years median(IQ)

50

(34–60)

56

(42.64)

49

(40–54)

31

(25–43)

45

(32–52)

Gender
 Female n (%)

12

(52.18)

9

(56.25)

9

(69.24)

10

(76.92)

13

(76.48)

 Male N (%)

11

(47.82)

7

(43.75)

4

(30.76)

3

(23.07)

4

(23.52)

Endoscopic

Findings

n

Esofagitis A–B: 16

C–D: 7

Segment

< 3 cm: 10

> 3 cm: 6

Non

erosive

Non

erosive

Non

erosive

Acid exposure time in 24 h median% (IQ) NA NA

13.65

(8.55–20.1)

1.0

(0.2–1.6)

0.6

(0–1.1)

EE Esophageal esophagitis, BE Barrett’s esophagus, AAE Abnormal acid exposure, NAE normal acid exposure, F Female, NA not available