Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastrointest Oncol. Mar 15, 2017; 9(3): 121-128
Published online Mar 15, 2017. doi: 10.4251/wjgo.v9.i3.121
Table 1 Baseline patient demographics
Characteristicn (%)
Median age (range) (yr)63.8 (26.9-89.0)
Ethnicity
Chinese203 (74.9)
Indian13 (4.8)
Malay20 (7.4)
Others35 (12.9)
Gender
Male134 (49.4)
Female137 (50.6)
ECOG status
089 (32.8)
1135 (49.8)
228 (10.3)
311 (4.1)
48 (3.0)
ASA score
1107 (39.5)
2128 (47.2)
336 (13.3)
Comorbidities
Diabetes mellitus56 (20.7)
Hypertension124 (45.8)
Cardiac comorbidities43 (15.9)
Respiratory comorbidities15 (5.5)
Chronic renal impairment10 (3.7)
Central nervous system comorbidity19 (7.0)
Previous cancer27 (10.0)
Cigarette smoking58 (21.4)
Regular alcohol use31 (11.4)