Table 3. Presenting Symptoms of Patients Seeking Care for Acute Respiratory Infections at the Hospital Civil de Guadalajara during the (H1N1) pandemic 2009—Mexico.
| All initially triaged patients (N = 1840) | All hospitalized patients treated with oseltamivir (N = 233)‡ | All ambulatory patients treated with oseltamivir as outpatients (N = 286) ‡ | Patients discharged from triage without oseltamivir (N = 1324) | All patients treated with oseltamivir with seasonal influenza A cases (N = 42) ∞ | All patients treated with oseltamivir with pandemic (H1N1) 2009 cases (N = 104) ∞ | |
| Symptoms N (%) | ||||||
| Median symptom onset before presentation | 2d | 2d | 2d | 2d | 2d | 2d |
| Headache | 1460 (79%) | 210 (90%) | 249 (87%) | 10111 (76%) | 32 (76%) | 93 (88%)* |
| Myalgia | 1336 (73%) | 204 (88%) | 224 (78%) | 919 (69%) | 31 (74%) | 85 (81%) |
| Fatigue | 1254 (68%) | 212 (91%) | 228 (79%) | 829 (62%) | 33 (79%) | 88 (83%) |
| Sore throat | 1251 (68%) | 163 (70%) | 192 (67%) | 906 (68%) | 28 (67%) | 75 (70%) |
| Chills | 1087 (59%) | 190 (82%) | 203 (71%) | 704 (53%) | 32 (76%) | 76 (74%) |
| Dry cough | 951 (52%) | 147 (63%) | 172 (60%) | 637 (48%) | 23 (55%) | 69 (64%) |
| Subjective Fever | 888 (48%) | 201 (86%) | 203 (71%) | 492 (37%) | 33 (79%) | 90 (85%) |
| Conjunctivitis | 791 (43%) | 127 (55%) | 115 (40%) | 556 (42%) | 22 (52%) | 48 (46%) |
| Rhinorrhea | 637 (35%) | 100 (43%) | 153 (53%) | 387 (29%) | 17 (40%) | 53 (51%) |
| Thoracic pain | 561 (30%) | 130 (56%) | 109 (38%) | 329 (24%) | 24 (57%) | 49 (45%) |
| Productive cough | 492 (27%) | 47 (20%) | 66 (23%) | 381 (29%) | 8 (19%) | 32 (31%) |
| Dyspnea | 438 (24%) | 120 (52%) | 90 (31%) | 230 (17%) | 13 (31%) | 42 (40%) |
| Diarrhea | 244 (13%) | 56 (24%) | 57 (20%) | 132 (10%) | 7 (17%) | 21 (20%) |
| Abdominal pain | 240 (13%) | 52 (23%) | 56 (20%) | 132 (10%) | 7 (17%) | 21 (20%) |
| Rales | 37 (2%) | 33 (14%) | 4 (1%) | 0 (0%) | 4 (10%) | 3 (3%) |
| Wheezing | 14 (1%) | 13 (6%) | 1 (0.3%) | 0 (0%) | 0 (0%) | 1 (1%) |
*p = 0.04 when comparing pandemic (H1N1) 2009 test positives to seasonal influenza A test positives.
‡Includes all hospitalized cases regardless of influenza RT-PCR test results.
∞Includes all hospitalized cases and ambulatory patients treated with oseltamivir who tested positive for influenza A.