Renal Dysfunction is a Risk Factor of Death after Gastric Endoscopic Submucosal Dissection in Elderly Patients Aged ≥80 Years
Table 4
Long-term outcomes of endoscopic submucosal dissection.
Elderly group (108 patients)
Nonelderly group (425 patients)
value
Mean observation period (mean ± SD), months
26.9 ± 23.2
36.4 ± 29.6
<0.05
Gastric cancer death after ESD, n (%)
1 (0.9)
1 (0.2)
n.s.
Deaths caused by conditions other than gastric cancer, n (%)
13 (12.0)
28 (6.6)
0.06
Mean period from ESD to death, (mean ± SD), months
30.2 ± 16.6
26.8 ± 17.8
n.s.
Cause of death, n (%)†
Renal dysfunction
2 (15.4)
0 (0)
<0.05
Cardiovascular disease
1 (7.7)
2 (7.1)
n.s.
Cerebrovascular events
2 (15.4)
2 (7.1)
n.s.
Pneumoniae
1 (7.7)
3 (10.7)
n.s.
Cancer (except for gastric cancer)
4 (30.8)
9 (32.2)
n.s.
Others
3 (23.0)
12 (42.9)
n.s.
ESD, endoscopic submucosal dissection; SD, standard deviation. †The percentage was calculated according to the number of patients for each cause/deaths caused by conditions other than gastric cancer. Unpaired t-test; Fisher’s exact test; chi-square test.