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. 2022 Jan 17;12(1):e056858. doi: 10.1136/bmjopen-2021-056858

Table 5.

Postcontact follow-up results by the risk level

Low risk n=295 (%) Moderate risk n=284 (%) High risk n=243 (%) P value
Presence of any symptom 87a (29.5) 120b (42.3) 104b (42.8) 0.001
 Throat ache 51a (17.3) 79b (27.8) 69b (28.4) 0.002
 Cough 33 (11.2) 41 (14.4) 45 (18.5) 0.055
 Diarrhoea 8a (2.7) 8a (2.8) 18b (7.4) 0.009
 Fever 5a (1.7) 8a (2.8) 19b (7.8) 0.001
 Shortness of breath 11 (3.7) 8 (2.8) 10 (4.1) 0.704
 Inability to taste/smell 1 (0.3) 1 (0.4) 2 (0.8) 0.089
Duration to test after last risky exposure, days, median (min-max) 5 (1–12) 6 (1–18) 5 (1–14) 0.065
SARS-CoV-2 RT-PCR positivity 8 (4.5) 7 (3.3) 13 (7.1) 0.205
 In asymptomatic HCW 4 (3.7) 1 (0.9) 5 (6) 0.191
 No of tests in asymptomatic HCW 107 110 84
 In symptomatic HCW 4 (5.8) 6 (5.9) 8 (8.2) 0.056
 No of tests in symptomatic HCW 69 102 98

All data are given as a number (percentage) unless specifically stated.

a, b, c There is a difference between the groups indicated by different indices.

Bold values indicate statistical significance.

HCW, healthcare worker; RT-PCR, reverse transcriptase-polymerase chain reaction.