Low-pressure pneumoperitoneum with abdominal wall lift in laparoscopic total mesorectal excision for rectal cancer: Initial experience

Table 1 Patients’ demographics and clinical characteristics

Variable	n/mean ± SD (range)
Age in yr	62.71 ± 8.71 (41- 82)
Sex
Male	17
Female	9
BMI in kg/m2	24.39 ± 2.68 (21.11-30.12)
ASA grade
I	1
II	22
III	3
IV	0
Procedure
AR	14
APR	12
Operative time in min
AR	194.29 ± 41.27 (125-270)
APR	200.41 ± 20.56 (170-230)
Estimated blood loss in mL
AR	35.71 ± 16.35 (20-80)
APR	85.00 ± 26.61 (50-140)
Postoperative complications
Shoulder pain	1
Pulmonary infection	1
Calf muscular venous thrombosis	2
Dysuria	4
Tumor size in cm
Length	4.29 ± 1.19 (2-6.5)
Thickness	1.12 ± 0.45 (0.5-2)
Distal resection margin in cm
AR	3.14 ± 1.34 (2-5)
APR	-
Differentiation
Poorly	2
Moderate	19
Highly	5
Depth of invasion
T1	1
T2	7
T3	1
T4	17
Lymph nodes harvested	16.71 ± 5.06 (7-27)
Dukes stage
A	6
B	5
C	15
Follow-up in mo	11.96 ± 5.55 (5-23)

Data are number of cases (n) or mean ± SD. AR: Anterior resection; APR: Abdominoperineal resection; BMI: Body mass index; SD: Standard deviation.