Table 1

Overview of tools used to screen, triage and evaluate the severity of patients with COVID-19

Screening tools (n=57)Triage tools (n=23)Severity scoring tools (n=54)All tools* (n=134)
n%n%n%n%
Setting
 Hospital1628.1521.73055.65138.1
 Hospital-based emergency care1221.1417.435.61914.2
 Outpatient/general practitioner814.028.700.0107.5
 Prehospital emergency care23.500.000.021.5
 Not specified1933.31252.22138.95238.8
Country income level
 High-income country2950.91460.92953.77253.7
 Upper middle-income country2340.521.72240.75037.3
 Lower middle-income country35.3313.035.696.7
 Low-income country11.800.000.010.7
 Not applicable11.814.300.021.5
Age group
 Adults11.8313.047.486.0
 Paediatrics58.828.700.075.2
 All ages35.314.300.043.0
 Not specified4884.21773.95092.611585.8
Implementation
 Proposed2238.61565.254100.009167.9
 Implemented3561.4834.800.004332.1
Validation setting
 High-income country23.514.31527.81813.4
 Upper middle-income country11.814.31731.51914.2
 Lower middle-income country00.000.000.000.0
 Low-income country00.000.000.000.0
 Not validated5494.72191.32240.79772.4
Feasibility in low-resource settings
 Likely3154.4521.71527.85138.1
 Unlikely2645.61878.33972.28361.9
  • *The total number of tools (n=134) does not equal the total number of papers (n=124), as some papers reported on more than one tool.