Skip to main content
. 2014 Jul 2;14:116. doi: 10.1186/1471-230X-14-116

Table 2.

Patients background factors in the 2 groups

  RKT group PL group P value
Mean age, years (range)
72.1 (65–85)
73.4 (65–83)
0.225a
Gender, n, (M/F)
17/35
8/35
0.370b
BMI (mean ± SD)
23.0 ± 3.6
22.9 ± 3.0
0.940a
Current alcohol use, n (%)
7 (13.5)
3 (7.0)
0.517b
Current smoking, n (%)
6 (11.5)
1 (2.3)
0.024b
Helicobacter pylori infection, n (%)
13 (43.3)
5 (16.7)
0.115b
Gastric mucosal atrophy, n (%)
37 (71.2)
27 (64.3)
0.096b
Redness of gastric mucosa, n (%)
10 (19.2)
3 (7.1)
0.167b
Impaired GEFV (grade III, IV), n (%)
16 (30.8)
9 (20.9)
0.427b
Esophageal hiatal hernia (grade B and A), n (%)
23 (48.6)
17 (39.7)
0.413b
Concomitant systemic diseases, n (%), (with)
34 (65.4)
26 (61.9)
0.785b
Total FSSG score (mean ± SD)
16.0 ± 7.0
15.1 ± 6.4
0.457c
Overall GSRS score (mean ± SD) 2.5 ± 0.9 2.3 ± 0.8 0.652c

BMI, body mass index; GEFV, gastroesophageal flap valve; FSSG, Frequency Scale for the Symptoms of GERD; GSRS, Gastrointestinal Symptom Rating Scale.

a, t-test; b, Fisher’s exact test; c, Wilcoxon’s signed rank test.