|   | 
        N | 
         (%) | 
      
      
        | Total Cases of H1N1 disease | 
        129  | 
        (100%) | 
      
      
        | Clinically confirmed (1) | 
        119 | 
        (92.2%)  | 
      
      
        | Lab confirmed (2) | 
        70 | 
        (54.3%)  | 
      
      
        | Confirmed (clinically and lab) | 
        69 | 
        (53.5%)  | 
      
    
        |    | 
        Total | 
        Female  | 
        Male | 
        
      
      
        | N | 
         (%) | 
        N  | 
        (%) | 
        N  | 
         (%) | 
        
      
      
        | Age (median) | 
        44.1     | 
        (15.1-93.2) | 
        38.9  | 
        (15.9-92.8) | 
        51.9  | 
        (15.1-93.2) | 
        
      
      
        | <20 years | 
        10     | 
       (7.8%) | 
        5     | 
        (7.1%) | 
        5  | 
        (8.5%) | 
      
      
        | 20-50 years | 
        59 | 
        (45.7%) | 
        37     | 
        (52.9%) | 
        22 | 
        (37.3%) | 
      
      
        | 50-65 years | 
        36 | 
        (27.9%) | 
        18 | 
         (25.7%) | 
        18  | 
        (30.5%) | 
      
      
        | >65 years | 
        24 | 
        (18.6%) | 
        10     | 
        (14.3%) | 
        14  | 
        (23.7%) | 
      
      
        | Hospital stay (mean) | 
        3 range | 
         (1-125)  | 
        23.2     | 
        (15.2-47.7%) | 
        26.3 | 
        (18.6-49.2%) | 
      
      
        | BMI (mean) | 
        24.1     | 
        (15.2-49.2) | 
        - | 
        - | 
        - | 
        - | 
      
      
        | Smokers | 
        33 | 
        (91.7%) | 
        17     | 
        (24.3%) | 
        16  | 
        (27.1%) | 
      
      
        | H1N1pdm09-vaccination | 
        25 | 
        (19.4%) | 
        14     | 
        (20.0%) | 
        11  | 
        (18.5%) | 
      
      
        | Seasonal influenza vaccination | 
        12    (9.5%) | 
        6     | 
        (9.0%) | 
        6  | 
        (10.2%%) | 
      
      
        | Clinical features of patients    underconfirmed admission | 
        Total  | 
        Lab confirmed  | 
        Clinically confirmed | 
        Clinically and Lab confirmed | 
      
      
        |   | 
        N  | 
         (%) | 
        N     | 
        (%) | 
        N   | 
        (%) | 
        N  | 
        (%)  | 
      
      
        | Total | 
        129  | 
        (100%) | 
        70  | 
        (100%) | 
        119  | 
        (100%) | 
        69  | 
        (100%) | 
      
      
        | Fever Temperature > 38°C | 
        120 | 
        (93.0%) | 
        61     | 
        (87.1%) | 
        119     | 
        (100%) | 
        60     | 
        (87.0%) | 
      
      
        | Cough | 
        85 | 
        (65.9%) | 
        51     | 
        (72.9%) | 
        79     | 
        (66.4%) | 
        45     | 
        (65.2%) | 
      
      
        | General malaise (including    headache) | 
        76 | 
        (58.9%) | 
        40     | 
        (42.9%) | 
        71     | 
        (59.7%) | 
        35     | 
        (50.7%) | 
      
      
        | Myalgia | 
        71 | 
        (55.0%) | 
        38     | 
        (54.3%) | 
        69     | 
        (58.0%) | 
        36     | 
        (52.2%) | 
      
      
        | Gastrointestinal symptoms | 
        50 | 
        (38.8%) | 
        21     | 
        (30.0%) | 
        48 | 
         (40.3%) | 
        19     | 
        (27.5%) | 
      
      
        | Sore throat | 
        49 | 
        (38.0%) | 
        26     | 
        (37.1%) | 
        47     | 
        (39.5%) | 
        24     | 
        (34.8%) | 
      
      
        | Shortness of breath (dyspnoea) | 
        48 | 
        (37.2%) | 
        29     | 
        (41.4%) | 
        45 | 
         (37.8%) | 
        26     | 
        (37.7%) | 
      
      
        | Joint aches | 
        30 | 
        (23.3%) | 
        19     | 
        (21.1%) | 
        29     | 
        (24.4%) | 
          | 
        18    (26.1%) | 
        
      
        | Rhinhorrea | 
        25 | 
        (19.4%) | 
        15     | 
        (21.4%) | 
        23     | 
        (19.3%) | 
        13     | 
        (18.8%) | 
      
      
        | Clinical pneumonia | 
        14 | 
        (10.9%) | 
        6     | 
        (8.6%) | 
        14 | 
         (11.8%) | 
        6     | 
        (8.7%) | 
      
      
        | Organ failure | 
          | 
        1 (0.8%)  | 
        1     | 
        (1.4%) | 
        1     | 
        (0.8%) | 
        1 | 
         (1.4%) | 
      
    
      (1) Met the clinical case definition (modified CDC clinical case definition of pH1N1 disease)