Table 1 Characteristics of the included studies in the meta-analysis
Study | Year | Country | Study type | Patients (n) | Age | Sex (M/F) | NOS stars | |
SILS/CLS | SILS/CLS | SILS/CLS | ||||||
Curro [9] | 2012 | Italy | R | 10/10 | 60/59 | 4/6 | 3/7 | 6 |
Yun [10] | 2013 | Korea | R | 66/93 | 61/59 | 33/33 | 58/35 | 7 |
Takemasa [11] | 2014 | Japan | P | 69/69 | 65/66 | 31/38 | 36/33 | 7 |
Suzuki [12] | 2016 | Japan | R | 35/35 | 68/69 | 21/14 | 14/21 | 7 |
Yu [13] | 2016 | Korea | P | 38/92 | 63/65 | 21/19 | 45/47 | 8 |
Tokudka [14] | 2016 | Japan | R | 27/36 | 77/77 | 16/11 | 15/21 | 6 |
Chouillard [15] | 2016 | France | R | 336/256 | 61/65 | 160//176 | 128/128 | 8 |
Kim [16] | 2017 | Korea | R | 40/80 | 66/63 | 22/28 | 50/30 | 7 |
Song [17] | 2018 | China | R | 32/32 | 59/65 | 16/16 | 16/16 | 7 |
Study | BMI | Previous abdominal surgery (n) | Clinical stage | Anastomosis type | ||||
SILS/CLS | SILS/CLS | SILS (I/II/III/IV) | CLS (I/II/III/IV) | |||||
Curro [9] | 25/26 | 2/3 | NR | NR | End to end | |||
Yun [10] | 23.8/24.2 | 13/23 | 22/24/20/0 | 32/31/30/0 | NR | |||
Takemasa [11] | 21.5/22.2 | 16/19 | 32/23/14/0 | 31/21/17/0 | End to end | |||
Suzuki [12] | 26.2/25.0 | 14/12 | 7/12/16/0 | 8/10/17/0 | NR | |||
Yu [13] | 24.6/24.3 | 8/31 | NR | NR | NR | |||
Tokudka [14] | 23.1/21.9 | 7/9 | NR | NR | End to end | |||
Chouillard [15] | 27/26.2 | 56/56 | NR | NR | End to side | |||
Kim [16] | 23.5/23.4 | 9/19 | 17/14/9/0 | 34/30/16/0 | End to side | |||
Song [17] | 22.7/22.8 | 11/9 | 9/13/10/0 | 8/14/10/0 | End to side | |||