
Figure 1
PRISMA 2020 flow diagram for updated systematic reviews which included searches of databases, registers and other sources.
Table 1
List of 26 included articles that report surgical volume.
| FIRST AUTHOR | TITLE OF PAPER | YEAR | JOURNAL NAME | COUNTRY OF STUDY |
|---|---|---|---|---|
| Martins, Monica | Access and effectiveness inpatient care indicators and economic crisis: analysis based on the Brazilian Unified Health System data, Brazil and southern Brazil states, 2009–2018 [6] | 2019 | Cicencia e Saude Coletiva | Brazil |
| Albutt, Katherine | Access to safe, timely, and affordable surgical care in Uganda: a stratified randomized evaluation of nationwide public sector surgical capacity and core surgical indicators [7] | 2018 | World Journal of Surgery | Uganda |
| Caligaris, L | Analyses of cataract surgery performed by the Unified Health System in Brazil, 2006–2007 [8] | 2011 | Revista Panamericana de Salud Publica/Pan American Journal of Public Health | Brazil |
| Sameen, Siddiqi | Are rural hospitals in Pakistan responding to the global surgery movement? An analysis of the gaps, challenges and opportunities [9] | 2020 | World Journal of Surgery | Pakistan |
| Bjerring, Anders W | Assessing cesarean section and inguinal hernia repair as proxy indicators of the total number of surgeries performed in Sierra Leone in 2012 [10] | 2015 | Surgery | Sierra Leone |
| Massenburg, Benjamin | Assessing the Brazilian surgical system with six surgical indicators: a descriptive and modelling study [11] | 2017 | BMJ Global Health | Brazil |
| Liwattananon, Chulaporn | Association between a centrally reimbursed fee schedule policy and access to cataract surgery in the Universal Coverage Scheme in Thailand [12] | 2018 | JAMA Ophthalmology | Thailand |
| Gyedu, Adam | Benchmarking global trauma care: Defining the unmet need for trauma surgery in Ghana [13] | 2020 | Journal of Surgical Research | Ghana |
| Pawiroredjo, Jerrel | The cataract situation in Suriname: An effective intervention programme to increase the cataract surgical rate in a developing country [14] | 2017 | BMJ Opthalmology | Suriname |
| Habtamu, Esmael | Cataract surgery in Southern Ethiopia: distribution, rates and determinants of service provision [15] | 2013 | BMC Health Services Research | Ethiopia |
| Chen, Xiaofan | The effect of health insurance reform on the number of cataract surgeries in Chongqing, China [16] | 2011 | BMC Health Services Research | China |
| Fenton, Paul | The epidemiology of district surgery in Malawi: a two year study of surgical rates and indices in rural Africa [17] | 2011 | East and Central African Journal of Surgery | Malawi |
| Jamison, Aron | Establishing a pediatric ophthalmology service in Malawi: developments in childhood cataract surgery [18] | 2019 | Middle East African Journal of Opthalmology | Malawi |
| Melo, Gusatvo | Incidence of endophthalmitis after cataract surgery (2002–2008) at a Brazilian university-hospital [19] | 2010 | Arquivos Brasileiros de Oftalmologia | Brazil |
| Burgos, C | The met needs for pediatric surgical conditions in Sierra Leone: estimating the gap [20] | 2018 | World Journal of Surgery | Sierra Leone |
| Concepcion, T L | Provision of surgical care for children across Somaliland: challenges and policy guidance [21] | 2019 | World Journal of Surgery | Somaliland |
| Nordberg, E | Rates of major surgery by age and sex in a rural district in Kenya [22] | 1996 | Annals of Tropical Medicine & Parasitology | Kenya |
| Chichom-Mefire, A | A retrospective one-year estimation of the volume and nature of surgical and anaesthetic services delivered to the populations of the Fako division of the South-West Region of Cameroon: an urgent call for action [23] | 2017 | World Journal of Surgery | Cameroon |
| Malavolta, E A | Rotator cuff repair in the Brazilian Unified Health System: Brazilian trends from 2003 to 2015 [24] | 2017 | Brazilian Journal of Orthopedics | Brazil |
| Anderson, G A | Surgical volume and postoperative mortality rate at a referral hospital in Western Uganda: measuring the Lancet Commission on Global Surgery indicators in low-resource settings [25] | 2017 | Surgery | Uganda |
| Nabembezi, J S | Surgical output in Kibaale District, Uganda [26] | 2001 | East African Medical Journal | Uganda |
| Bruno, E | An evaluation of preparedness, delivery and impact of surgical and anesthesia care in Madagascar: a framework for a national surgical plan [27] | 2017 | World Journal of Surgery | Madagascar |
| Zhu, M | Four-year analysis of cataract surgery rates in Shanghai, China: a retrospective cross-sectional study [28] | 2014 | BMC Ophthalmology | China |
| Weiser, T G | Size and distribution of the global volume of surgery in 2012 [29] | 2016 | Bulletin of the World Health Organization | 66 WHO Member states |
| Reshamwalla, S | Snapshot of surgical activity in rural Ethiopia: is enough being done? [30] | 2012 | World Journal of Surgery | Ethiopia |
| Henry, J A | Surgical and anaesthetic capacity of hospitals in Malawi: key insights [31] | 2015 | Health Policy & Planning | Malawi |

Figure 2
26 included studies based on the study settings of urban, rural, or both.
