Table 4.
The differences in clinical characteristics between the RKT responsive group and RKT nonresponsive group
| Responders (n = 25) | Non-responders (n = 17) | P value | |
|---|---|---|---|
| Mean age, years (range) |
71.12(65-85) |
73.12(65-85) |
0.441a |
| Gender, n, (M/F) |
10/15 |
4/13 |
0.331b |
| BMI (mean ± SD) |
23.5 ± 4.1 |
22.3 ± 2.3 |
0.497a |
| Current alcohol use (Y/N) |
4/21 |
1/16 |
0.632b |
| Current smoking (Y/N) |
5/20 |
0/17 |
0.070b |
|
Helicobacter pylori infection (Y/N) |
6/8 |
4/6 |
1.000b |
| Gastric mucosal atrophy, |
18/7 |
11/6 |
0.738b |
| Redness of gastric mucosa (Y/N) |
5/20 |
2/15 |
0.681b |
| GEFV(grade I&II/III&IV) |
17/8 |
10/7 |
0.744b |
| Esophageal hiatal hernia (grade O&C/B&A) |
13/12 |
9/8 |
1.000b |
| Concomitant systemic diseases(Y/N)) |
13/12 |
15/2 |
0.020b |
| Total FSSG score (mean ± SD) |
15.9 ± 7.4 |
14.6 ± 6.5 |
0.616a |
| Total GSRS score (mean ± SD) | 2.5 ± 1.0 | 2.3 ± 0.8 | 0.722a |
BMI, body mass index; GEFV, gastroesophageal flap valve; FSSG, Frequency Scale for the Symptoms of GERD; GSRS, Gastrointestinal Symptom Rating Scale.
a, Wilcoxon’s rank sum test; b, Fisher’s exact test.