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Table 1 Demographic and clinical characteristics of laboratory-confirmed influenza patients

From: The burden of laboratory-confirmed influenza infection in Lebanon between 2008 and 2016: a single tertiary care center experience

 Number (%)
Gender (n = 1829)
Male913 (49.9)
Female916 (50.1)
Age groups (n= 1829)
[0–2 years173 (9.5)
[2–5 years240 (13.1)
[5–10 years338 (18.5)
[10–19 years328 (17.9)
[19–50 years411 (22.5)
[50–65 years164 (9.0)
≥ 65 years175 (9.6)
Presence of underlying comorbidities (n = 1303)597 (45.8)
Number of underlying comorbidities (n= 1303)
None706 (54.2)
One412 (31.6)
Multiple comorbidities185 (14.2)
Underlying comorbidities (n= 1303)
Cardiovascular disease222 (17.0)
Chronic pulmonary disease54 (4.1)
Asthma160 (12.3)
Immunosuppressive state (other than malignancy)19 (1.5)
Diabetes Mellitus96 (7.4)
Renal disease52 (4.0)
Neuromuscular disorders12 (0.9)
Neurological disorders58 (4.5)
Malignancy164 (12.6)
Hemoglobinopathy30 (2.3)
Time interval between symptom onset and speicmen collection (n = 1368)
0–2 days882 (64.5)
3–4 days338 (24.7)
> 4 days148 (10.8)
Influenza Vaccine (n = 456)104 (22.8)
Pregnant among childbearing age females (N = 322)a72 (22.4)
  1. a This denominator represents the number of females in childbearing age for whom data on pregnancy was available
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