Impact of age on feasibility and short-term outcomes of ERAS after laparoscopic colorectal resection

Table 1 Clinic-pathological characteristics and operative data according to age grouping for the 225 patients under study, n (%)

	Age group
	Group A	Group B	Group C	P value
	(n = 112)	(n = 57)	(n = 56)
Age, yrb	57.1 (18-65)	68.9 (65.5-74.2)	80 (75-91.6)
Male sex	62 (55.4)	35 (61.4)	24 (42.9)	NS
BMI, Kg/m2	25 (3.8)	25.6 (3.7)	24.9 (3.2)	NS
ASA classificationb				< 0.001
I	23 (20.5)	2 (3.5)	1 (1.8)
II	84 (75)	41 (71.9)	36 (64.3)
III	5 (4.5)	14 (24.6)	19 (33.9)
Indication for surgeryb				0.007
Colon cancer	46 (41.1)	37 (64.9)	37 (66.1)
Rectal cancer	32 (28.6)	5 (8.8)	8 (14.3)
Benign	34 (29.4)	15 (26.4)	11 (19.7)
Presence of comorbiditiesb				< 0.001
None	48 (42.9)	12 (21.1)	8 (14.3)
1	41 (36.6)	18 (31.6)	15 (26.8)
≥ 2	23 (20.5)	27 (47.4)	33 (58.9)
Previous surgery	49 (43.7)	33 (57.9)	31 (55.4)	NS
R0 resection	75 (96.2)	42 (100)	45 (100)	NS
TNM Stage				NS
Stage ≤ II	53 (67.9)	28 (66.7)	36 (80)
Stage III	23 (29.5)	11 (26.2)	19 (20)
Stage IV	2 (2.6)	3 (7.1)	-
Extent of surgery				NS
Right hemicolectomy	26 (23.2)	19 (33.3)	23 (41.1)
Left hemicolectomy	46 (41)	28 (49.2)	21 (37.5)
Rectal resections1	32 (28.6)	5 (8.8)	8 (14.3)
Abdominoperineal resection	6 (5.4)	1 (1.7)	-
Others	2 (1.8)	4 (7)	4 (7.1)
Stoma formation				NS
Ileostomy	20 (17.9)	2 (3.6)	5 (8.9)
Colostomy	6 (5.4)	1 (1.8)	1 (1.8)
Time of surgery, min	235 (125-360)	216 (145-340)	220 (125-320)	NS
Estimated blood loss, mL	50 (20-400)	40 (10-400)	50 (20-250)	NS
Conversion to open surgery	2 (1.8)	4 (7)	2 (3.6)	NS

¹Includes extended resections to the upper rectum, anterior resection, low anterior resection and intersphincteric resection. Data are expressed as number of patients (%), mean (standard deviation) or median (range).

^bP < 0.01. BMI: Body mass index; ASA: American Society of Anaesthesiologists.