Retrospective review of anesthesia techniques and postoperative complications in patients with uremia undergoing colorectal cancer surgery

Table 1 Baseline characteristics of the study population

Characteristic	Total (n = 120)	Stage 3 (n = 65)	Stage 4 (n = 40)	Stage 5 (n = 15)	P value
Age (years)	68.2 ± 9.1	67.8 ± 8.7	69.0 ± 9.3	69.5 ± 9.5	0.135
Men (%)	59.2	58.5	60.0	60.0	0.789
Primary malignancy (%)
Colorectal cancer	47.5	46.2	50.0	40.0	0.765
Gastric cancer	37.5	36.2	40.0	30.0	0.532
Other	15.0	17.5	12.5	20.0	0.204
Comorbidities (%)
Hypertension	73.3	74.0	72.5	80.0	0.612
Diabetes mellitus	35.8	34.2	37.5	33.3	0.842
Cardiovascular disease	29.2	28.5	32.5	30.0	0.523