Prevalence of Each Symptom as Reported by Clinicians and Patients
| Influenza + (n = 127) | Influenza – (n = 123) | Overall (n = 250) | ||||
|---|---|---|---|---|---|---|
| Clinician | Patient | Clinician | Patient | Clinician | Patient | |
| Total number of symptoms | 10 (4, 17) | 11 (6, 20) | 8 (3, 15) | 10 (4, 18) | 10 (3, 17) | 11 (4, 20) |
| Acute onset | 70 (55%) | 65 (51%) | 53 (43%) | 61 (50%) | 123 (49%) | 126 (50%) |
| Chest congestion | 32 (25%) | 80 (63%) | 30 (24%) | 47 (38%) | 62 (25%) | 127 (51%) |
| Chest pain | 12 (9.4%) | 44 (35%) | 10 (8.1%) | 24 (20%) | 22 (8.8%) | 68 (27%) |
| Chills sweats | 116 (91%) | 115 (91%) | 76 (62%) | 84 (68%) | 192 (77%) | 199 (80%) |
| Cough | 126 (99%) | 122 (96%) | 111 (90%) | 102 (83%) | 237 (95%) | 224 (90%) |
| Ear pain | 7 (5.5%) | 27 (21%) | 12 (9.8%) | 35 (28%) | 19 (7.6%) | 62 (25%) |
| Eye pain | 64 (50%) | 21 (17%) | 20 (16%) | 19 (15%) | 84 (34%) | 40 (16%) |
| Fatigue | 113 (89%) | 120 (94%) | 75 (61%) | 108 (88%) | 188 (75%) | 228 (91%) |
| Headache | 112 (88%) | 103 (81%) | 76 (62%) | 98 (80%) | 188 (75%) | 201 (80%) |
| Itchy eye | 5 (3.9%) | 25 (20%) | 3 (2.4%) | 27 (22%) | 8 (3.2%) | 52 (21%) |
| Myalgia | 106 (83%) | 111 (87%) | 58 (47%) | 98 (80%) | 164 (66%) | 209 (84%) |
| Nasal congestion | 122 (96%) | 99 (78%) | 101 (82%) | 90 (73%) | 223 (89%) | 189 (76%) |
| Pharyngitis | 121 (95%) | 106 (83%) | 114 (93%) | 110 (89%) | 235 (94%) | 216 (86%) |
| Runny nose | 121 (95%) | 93 (73%) | 97 (79%) | 78 (63%) | 218 (87%) | 171 (68%) |
| Shortness of breath | 16 (13%) | 55 (43%) | 17 (14%) | 36 (29%) | 33 (13%) | 91 (36%) |
| Sneeze | 16 (13%) | 68 (54%) | 12 (9.8%) | 57 (46%) | 28 (11%) | 125 (50%) |
| Subjective fever | 113 (89%) | 96 (76%) | 71 (58%) | 58 (47%) | 184 (74%) | 154 (62%) |
| Swollen lymph nodes | 11 (8.7%) | 55 (43%) | 31 (25%) | 62 (50%) | 42 (17%) | 117 (47%) |
| Tooth pain | 0 (0%) | 26 (20%) | 2 (1.6%) | 34 (28%) | 2 (0.8%) | 60 (24%) |
| Wheeze | 15 (12%) | 52 (41%) | 16 (13%) | 31 (25%) | 31 (12%) | 83 (33%) |
Notes: We calculated the prevalence of each symptom in the overall subsample, as well as stratified by influenza diagnosis. The table shows the number of participants positive (Point Prevalence) for all symptoms, and the median (Range) for the total number of symptoms.