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Table 1 Baseline characteristics for subjects in controls and two groups of patients

From: The diagnostic value of pepsin detection in saliva for gastro-esophageal reflux disease: a preliminary study from China

Clinical Variables

Controls (n = 35)

Non-GERD (n = 128)

GERD (n = 122)

P

Gender (M/F)

18/17

58/70

53/69

0.7

Age (yr), median (IQR)

48 (42–69)

50 (42–63)

53 (44–60)

0.664

Age (yr), rang

18–85

19–81

24–79

–

BMI (kg/m2), mean±SD

27.0±3.9

27.7±4.2

28.7±4.0

0.41

GerdQ score, mean±SD

4.1±1.9

6.3±2.6

11.0±2.8

<0.001

  1. GERD gastro-esophageal reflux disease, M/F male/female, BMI body mass index, SD standard deviation