Skip to main content

Table 1 Study participant/sample characteristics

From: Field evaluations of four SARS-CoV-2 rapid antigen tests during SARS-CoV-2 Delta variant wave in South Africa

 

Evaluation 1

Evaluation 2

Sample size (N)

494

539

Age, years (median, IQR)

34, 24–47

36, 24–50

Gender (%, n/N female)

57.29, 283/494

51.76, 279/539

% positivity (n/N)

31.00, 153/494

13.17 (71/539)

Presence of symptoms

 Asymptomatic/presymptomatic (%, n/N)

33.33, 129/387

29.50, 159/539

 < 7-day PSO (%, n/N)

57.36, 222/387

64.01, 345/539

 =  > 7-day PSO (%, n/N)

9.30, 36/387

6.49, 35/539

HIV positive (%, n/N)#

0.42, 2/481

0.20, 1/539

CN value (median, IQR)

9.06, 5.90–16.90

15.08, 11.53–23.86

Oxygen saturation (median, IQR)

96, 95–98

96, 95–97

  1. Missing data: evaluation 1 (HIV status, 13; oxygen saturation, 72; days of symptom onset, 107); evaluation 2 (oxygen saturation, 26). PSO post-symptom onset. #Self-reported