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Table 2 Characteristics of patient-calls subgrouped by MPDS Protocol 36 COVID-19 status and virology test status

From: Epidemiology of emergency ambulance service calls related to COVID-19 in Scotland: a national record linkage study

Subgroup N patient/calls Median age (years) (IQR) % Female Median NEWS* (IQR) % with 2+ 
co-morbidities
30 day mortality rate Conveyed %
Missing data rates (% rounded) N/A N/A N/A 12.5 N/A N/A N/A
Protocol 36 COVID-19 negative/no test evidence 142,985 60 (35) 51 1 (3) 57 6.4 63
Protocol 36 COVID-19 negative/tested negative 61,013 75 (22) 52 2 (4) 68 8.6 88
Protocol 36 COVID-19 positive/no test evidence 4,737 62 (31) 52 1 (3) 55 4.4 48
Protocol 36 COVID-19 positive/tested positive 438 70.5 (23) 43 6 (6) 58 28.8 80
Protocol 36 COVID-19 negative/tested positive 2779 75 (24) 48 5 (6) 66 29.0 83
Protocol 36 COVID-19 positive/tested negative 2,130 72 (24) 49 3 (6) 66 8.7 82
  1. *National Early Warning Score