Impact of age-related comorbidity on results of colorectal cancer surgery

Table 3 Correlation between clinicopathological features and preexisting comorbidity with postoperative complications in group A (< 70 years) and B (≥ 70 years) n (%)

	Postoperative morbidity
	Group A (n = 38)	P	Group B (n = 37)	P
Sex
Male	27 (71.1)	0.049	23 (62.2)	0.58
Female	11 (28.9)		14 (37.8)
Localization
Colon	23 (60.5)	0.344	26 (70.3)	0.171
Rectum	15 (39.5)		11 (29.7)
Type of surgery
Elective	32 (84.2)	0.136	30 (81.1)	0.424
Emergency	6 (15.8)		7 (18.9)
Residual tumor
R0	27 (71.1)	0.297	29 (78.4)	0.505
R+	11 (28.9)		8 (21.6)
Comorbidity
Overall
Yes	25 (65.8)	0.012	32 (86.5)	0.01
No	13 (34.2)		5 (13.5)
Cardiovascular diseases
Absent	22 (57.9)	0.122	10 (27)	0.003
Present	16 (42.1)		27 (73)
Pulmonary diseases
Absent	36 (94.7)	0.625	32 (86.5)	0.172
Present	2 (5.3)		5 (13.5)
Diabetes mellitus
Absent	34 (89.5)	0.264	34 (91.9)	0.769
Present	4 (10.5)		3 (8.1)
Gastrointestinal diseases
Absent	30 (78.9)	0.095	32 (86.5)	0.571
Present	8 (21.1)		5 (13.5)
Other tumors
Absent	36 (94.7)	0.65	32 (86.5)	0.314
Present	2 (5.3)		5 (13.5)
T stage
T1-T2	5 (13.2)	0.098	12 (32.4)	0.29
T3-T4	33 (86.8)		25 (67.6)
N stage
N0	15 (39.5)	0.051	23 (62.2)	0.559
N+	23 (60.5)		14 (37.8)
Dukes’ stage
A	1 (2.6)	0.385	3 (8.1)	0.669
B	13 (34.2)		17 (45.9)
C	13 (34.2)		9 (24.3)
D	11 (28.9)		8 (21.6)
Metastases
No	27 (71.1)	0.297	29 (78.4)	0.542
Yes	11 (28.9)		8 (21.6)