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Table 2 Reported influenza symptoms, reported symptom severity, and association with influenza status

From: Evaluating an app-guided self-test for influenza: lessons learned for improving the feasibility of study designs to evaluate self-tests for respiratory viruses

Symptoms N (%) Overall (N = 739) PCR + (N = 43) PCR – (N = 696) p-value
Fatigue 686 (92.5) 42 (97.7) 644 (92.5) 0.334
Cough 671 (90.8) 42 (97.7) 629 (90.4) 0.163
Runny Nose 657 (88.9) 39 (90.7) 618 (88.8) 0.892
Headache 615 (83.2) 35 (81.4) 580 (83.4) 0.904
Muscle or Body Aches 581 (78.6) 37 (86.1) 544 (78.2) 0.301
Sore throat 570 (77.1) 35 (81.0) 535 (76.9) 0.617
Chills or Sweat 518 (70.1) 41 (95.4) 477 (68.5) 0.0003
Fever 440 (59.3) 37 (86.1) 403 (57.9) 0.0004
Shortness of Breath 333 (45.1) 25 (58.1) 308 (44.2) 0.105