The Comparison of Laparoscopic Colorectal Resection with Natural Orifice Specimen Extraction versus Mini-Laparotomy Specimen Extraction for Colorectal Tumours: A Systematic Review and Meta-Analysis of Short-Term Outcomes
Table 2
Patient characteristics of the included studies.
Author
Age (year) mean ± SD
Gender (male/female)
BMI (kg/m2) mean ± SD
ASA (I + II/III + IV or mean ± SD)
NOSES
CLAPS
NOSES
CLAPS
NOSES
CLAPS
NOSES
CLAPS
Awad et al.
66.9 ± 8.9
63.6 ± 9.08
0/20
0/20
25.1 ± 6.65
31.6 ± 8.33
4/16
5/15
Hisada et al.
63.7 ± 9
66.3 ± 11
12/8
NR
NR
NR
NR
NR
Hu et al.
63.1 ± 8.3
61.5 ± 7.6
17/9
15/11
26.5 ± 4.7
26.4 ± 4.6
24/2
23/3
Kim et al.
62.8 ± 9.0
63.2 ± 10.7
0/58
0/58
23.5 ± 2.9
23.2 ± 3.3
52/6
50/8
Leung et al.
62 (51–86)
72 (49–84)
13/22
12/23
NR
NR
NR
NR
Ng et al.
65.14 ± 9.14
63.95 ± 9.19
20/15
22/16
22.64 ± 1.95
23.41 ± 1.60
2.4 ± 0.62
2.5 ± 0.47
Park et al.
61.0 ± 11.2
63.6 ± 11.6
0/34
0/34
23.9 ± 3.1
23.1 ± 2.7
30/4
28/6
Zhang et al.
56.1 ± 9.3
55.5 ± 9.5
32/33
57/75
23.7 ± 2.9
23.1 ± 3.1
60/5
116/16
Notes: NOSES, natural orifice specimen extraction surgery; CLAPS, conventional laparoscopic surgery; BMI, body mass index; ASA, American Society of Anesthesiologists; NR, not recorded; SD, standard deviation. Median (range).
