Table 2

The symptoms (type, number and percentage with 95% CI) by region and specific symptoms in the ARIALL and the subgroups (ARICOV and ARIOTH)

SymptomARIALL
(n=84)
ARICOV
(n=45)
ARIOTH
(n=39)
ARICOV versus ARIOTH
n%n% (95% CI)n% (95% CI)PRP value*
Nose and throat
 Sore/scratchy throat4452.42351.1 (38.4 to 68.0)2153.9 (40.3 to 72.0)0.95 (0.63–1.43)0.802
 Hoarseness1619.11022.2 (12.9 to 38.4)615.4 (7.4 to 32.1)1.44 (0.58–3.62)0.424
 Blocked/plugged nose5261.92657.8 (45.0 to 74.2)2666.7 (53.4 to 83.2)0.87 (0.62–1.21)0.402
 Runny nose3642.91737.8 (26.0 to 55.0)1948.7 (35.3 to 67.2)0.78 (0.47–1.27)0.312
 Sinus pressure3440.51533.3 (22.1 to 50.4)1948.7 (35.3 to 67.2)0.68 (0.41–1.16)0.152
 Sneezing2833.31328.9 (18.3 to 45.7)1538.5 (25.9 to 57.2)0.75 (0.41–1.38)0.354
 Altered/loss sense of smell3744.13168.9 (56.6 to 83.8)615.4 (7.4 to 32.1)4.48 (2.10–9.59) 0.0001
 Altered/loss sense of taste3642.92964.4 (51.9 to 80.1)718.0 (9.2 to 35.1)3.59 (1.77–7.27) 0.0001
Chest and neck
 Dry cough4047.62351.1 (38.4 to 68.0)1743.6 (30.5 to 62.3)1.17 (0.74–1.85)0.491
 Wet cough2023.81328.9 (18.3 to 45.7)718.0 (9.2 to 35.1)1.61 (0.71–3.62)0.237
 Difficulty in breathing3136.91737.8 (26.0 to 55.0)1435.9 (23.6 to 54.6)1.05 (0.60–1.85)0.859
 Fast breathing or shortness of breath2934.51737.8 (26.0 to 55.0)1230.8 (19.2 to 9.3)1.23 (0.67–2.24)0.500
 Chest pain/pressure2529.81431.1 (20.1 to 48.1)1128.2 (17.1 to 46.5)1.10 (0.57–2.14)0.771
 Chest tightness2327.41431.1 (20.1 to 48.1)923.1 (13.0 to 40.9)1.35 (0.66–2.77)0.409
 Headache5464.33577.8 (66.5 to 90.9)1948.7 (35.3 to 67.2)1.60 (1.12–2.28) 0.005
 Red/watery/scratchy eyes1922.61022.2 (12.9 to 38.4)923.1 (13.0 to 40.9)0.96 (0.44–2.13)0.926
Whole body
 Fever2226.21737.8 (26.0 to 55.0)512.8 (5.7 to 29.1)2.95 (1.20–7.25) 0.008
 Chills2428.61737.8 (26.0 to 55.0)718.0 (9.2 to 35.1)2.10 (0.98–4.54) 0.042
 Excessive fatigue6273.83577.8 (66.5 to 90.9)2769.2 (56.2 to 85.3)1.12 (0.87–1.46)0.375
 General muscle aches and pains4047.62453.3 (40.6 to 70.1)1641.0 (28.2 to 59.8)1.30 (0.82–2.07)0.259
 Skin rash†56.048.9 (3.5 to 22.7)12.6
 Abdominal pain†1416.71226.7 (16.4 to 43.3)25.1
 Nausea1619.1920.0 (11.2 to 35.9)718.0 (9.2 to 35.1)1.11 (0.46–2.71)0.811
 Vomiting†67.136.737.7
 Diarrhoea1315.5920.0 (11.2 to 35.9)410.3 (4.1 to 26.0)1.95 (0.65–5.840.233
 Loss of appetite3541.72555.6 (42.8 to 72.2)1025.6 (15.0 to 43.8)2.17 (1.19–3.93) 0.005
  • 2 test.

  • †Symptoms where the numbers were too small to analyse between groups or produce CIs.

  • ARI, acute respiratory illness; ARICOV, acute respiratory illness COVID-19 subgroup that is the combined ARICOV+ve and ARICOV-S subgroups.; ARIOTH, acute respiratory illness Other subgroup; PR, prevalence ratio.