Table 7 Results read by the participants and the ground truth provided in the printed cards. The values in the brackets show the percentage of the results related to total number of results (n = 264).

From: User experience of home-based AbC-19 SARS-CoV-2 antibody rapid lateral flow immunoassay test

 

Printed cards’ results n (%)

Positive (T1)

Strong positive (T2)

Weak positive (T5)

Total positive

Negative (T3)

Invalid (T4)

Total

Participant results: n (%)

Positive

43 (16.3)

29 (11.0)

48 (18.2)

120 (45.5)

2 (0.8)

1 (0.4)

123 (46.6)

Negative

14 (5.3)

8 (3.0)

13 (4.9)

35 (13.3)

59 (22.3)

7 (2.7)

101 (38.3)

Invalid

0 (0.0)

0 (0.0)

2 (0.8)

2 (0.8)

2 (0.8)

25 (9.5)

29 (11.0)

Unsure

1 (0.4)

0 (0.0)

1 (0.4)

2 (0.8)

1 (0.4)

8 (3.0)

11 (4.2)

Total

58 (22.0)

37 (14.0)

64 (24.2)

159 (60.2)

64 (24.2)

41 (15.5)

264 (100)