Table 1 Characteristics of included studies
First author | Country of origin | Year of publication | Study period | Study design | Type of disease | Number of patients (HALS/OS) | Gender (M:F) HALS/OS | BMI (mean, kg/m2) HALS/OS | Hand port placement | Tumour staging (HALS/OS) | Follow-up (months) HALS/OS | Conversion cases | Quality assessment | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MINORS | CONSORT | ||||||||||||||
Sheng 2012 [6] | China | 2012 | August 2009 to December 2010 | RCT, single centre | Right colon cancer | 116 (59/57) | 32:27/35:22 | 21.7/22.2 | 6 cm mid line incision around the umbilicus | AJCC I II III IV | 7/11 25/24 27/22 0/0 | 13.3 | 0 | – | 16/25 |
Chung [17] | China | 2007 | June 2001 to May 2006 | RCT, single centre | Right colon cancer | 81 (41/40) | 25:16/26:14 | 22/22.8 | 6.5 cm infra-umbilical midline incision | DUKES A B C D | 4/5 21/16 15/18 1/1 | 30/28 | 3 (7.3%) | – | 18/25 |
Li [16] | China | 2015 | January 2011 to June 2013 | Retrospective, single centre | Obstructive right colon cancer | 35 (10/25) | 6:4/14:11 | 22.2/22.3 | 5.5 cm mid line incision around the umbilicus | TNM I II III IV | 0/0 2/9 8/16 0/0 | NR | 0 | 21/24 | – |
Wei [11] | China | 2018 | June 2009 to December 2014 | Retrospective, single centre | Right colon cancer | 45 (19/26) | 9:10/18:8 | 22.9/21.4 | 5–7 cm mid line incision around the umbilicus | TNM I II III | 1/1 12/15 6/10 | 60/60 | NR | 19/24 | – |
Sim [15] | Korea | 2013 | January 2009 to September 2010 | PNR, single centre | Right colon cancer | 49 (16/33) | 9:7/18:15 | 22.9/23.8 | 6–7 cm mid line incision around the umbilicus | TNM I II III | 9/8 3/14 4/9 | NR | 0 | 20/24 | – |
Sheng [13] | China | 2017 | May 2012 to April 2014 | Retrospective, single centre | Right colon cancer* | 150 (78/72) | 43:35/40:32 | 21.7/21.7 | 6 cm mid line incision around the umbilicus | TNM I II III | 9/11 35/30 34/31 | 19.8/20 | 0 | 19/24 | – |
Chi P [12] | China | 2005 | November 2001 to September 2004 | Retrospective, single centre | Right colon cancer | 30 (15/15) | 6:9/8:7 | NR | NR | NR | NR | 0 | 18/24 | – | |