Table 1 Baseline characteristics of the included studies
Author | Publication year | Region | Study design | Sample size | Prevalence (%) | Data collection method | Sampling technique | Types of surgery | Study period | Quality Score |
|---|---|---|---|---|---|---|---|---|---|---|
Afenigus.A.et al [18] | 2019 | Amhara | Cross-sectional | 165 | 25.5 | Interview and clinical sign | Systematic | General Surgery | March to May, 2017 | Low risk |
Alamrew K [40]. | 2018 | Addis Ababa | Cross-sectional | 413 | 11.1 | Chart review | Simple random | General Surgery | June 10 to September 10,2016 | Low risk |
Ali S.et al. [51] | 2018 | Oromia | Cohort | 1069 | 13.85 | Laboratory and interview | Consecutive | General Surgery | May to September, 2016 | Low risk |
Amare B [39] | 2011 | Amhara | Cross-sectional | 1627 | 3.5 | Clinical sign | Consecutive | General Surgery | January 2010 to June 2010 | Low risk |
Amenu D. et al. [52] | 2011 | Oromia | Cross-sectional | 770 | 11.4 | Interview, logbook | Consecutive | Obstetric Surgery | April 1, 2009 to March 312,010 | Low risk |
Argaw NA. et al. [41] | 2017 | Addis Ababa | Cross-sectional | 200 | 16 | Chart review | All included | General Surgery | NR | Low risk |
Billoro BB. et al. [56] | 2019 | SNNPR | cohort | 280 | 16.5 | Interview, chart review, laboratory | Consecutive | General Surgery | January 1 to September 1, 2017 | Low risk |
Endalafer N [42]. | 2011 | Addis Ababa | Cross-sectional | 215 | 17.67 | Laboratory | Consecutive | General Surgery | June 2007 to April 2008 | Low risk |
Fisha K. et al. [46] | 2019 | Amhara | Cohort | 642 | 9.9 | Chart review | Simple random | General Surgery | March 15 to April 15, 2018 | Low risk |
Forrester JA. et al. [38] | 2018 | Oromia | Cohort | 65 | 36 | Clinical sign | Consecutive | Obstetric Surgery | September 9 to 20, 2016 | Low risk |
Gebremeskel S [43]. | 2018 | Addis Ababa | Cross-sectional | 410 | 4.8 | Chart review, interview and laboratory | Systematic | General Surgery | March 1 to August 30, 2017 | Low risk |
Gedefaw.G. et al. [47] | 2018 | Amhara | Cross-sectional | 447 | 9.6 | Chart review | Consecutive | Obstetric Surgery | March 1 to April 30, 2018 | Low risk |
Gelaw A. et al. [48] | 2014 | Amhara | Cross-sectional | 510 | 8.2 | Laboratory | All included | General Surgery | November 2010 to February 2011 | Low risk |
Halawi.E. et al. [23] | 2018 | Addis Ababa | Cohort | 158 | 20.6 | Clinical sign, chart review, laboratory | Convenient | General Surgery | April 1 to April 30, 2017 | Low risk |
Laloto TL. et al. [21] | 2017 | SNNPR | Cohort | 127 | 19.1 | Chart review, clinical sign, interview | Consecutive | General Surgery | March 2 to May 2, 2015 | Low risk |
Mamo T.et al. [53] | 2017 | Oromia | Cohort | 390 | 9.4 | Laboratory, chart review, interview | Purposive | Obstetric Surgery | April 23 to September 5, 2015 | Low risk |
Melku S.et al. [49] | 2012 | Amhara | Cross-sectional | 1383 | 8 | Interview, chart review, laboratory | Consecutive | General Surgery | April to August 2009 | Low risk |
Mengesha RE.et al. [54] | 2014 | Tigray | Cross-sectional | 610 | 20.9 | Clinical sign and chart review | Consecutive | General Surgery | January to June 2012 | Low risk |
Mulu W. et al. [16] | 2013 | Amhara | Cross-sectional | 294 | 10.2 | Clinical sign, culture, and chart review | Consecutive | General Surgery | October 2010 to January 2011 | Low risk |
Taye M [44]. | 2005 | Addis Ababa | Cohort | 1754 | 14.8 | Clinical sign and laboratory | Consecutive | General Surgery | January 1, 1999 to Dec 31, 1999 | Low risk |
Tekie K [45]. | 2008 | Addis Ababa | Cohort | 173 | 17.9 | Clinical sign and laboratory | All included | General Surgery | April to July 2006 | Low risk |
Tesfahunegn Z. et al. [55] | 2009 | Tigray | Cross-sectional | 246 | 7.3 | Chart review and clinical sign | NR | General Surgery | November 2005 to April 2006 | Low risk |
Weldu MG. et al. [19] | 2018 | Tigray | Cross-sectional | 280 | 11.1 | Interviewer, clinical sign | Simple random | General Surgery | February 2 to March 31, 2016 | Low risk |
Yallew WW. Et al [50] | 2016 | Amhara | Cross-sectional | 908 | 7.6 | Clinical sign, laboratory, chart review | Consecutive | General Surgery | March to July 2015 | Low risk |