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Table 1 Patient Characteristics

From: Respiratory tract virus infections in the elderly with pneumonia

  Respiratory Symptoms (n = 382)
Pneumonia (n = 112) No Pneumonia (n = 270) P-value
Gender (male/female) 64/48 (57%/43%) 114/156 (42%/58%) 0.008
Age 83 (7) 83 (7) 0.8
Weight 65 (15) 69 (17) 0.05
Respiratory diseases 41/109 (38%) 90/262 (34%) 0.5
 - Asthma/COPD 32/109 (30%) 76/262 (29%) 0.9
 - Other lung disease 11/109 (10%) 29/262 (11%) 0.9
Cardiovascular diseases 80/109 (73%) 202/262 (77%) 0.4
 - Stroke/TIA 10/109 (9.2%) 42/262 (16%) 0.08
 - Heart dysrythmia 23/109 (21%) 84/262 (32%) 0.03
 - Myocardial infarction 18/109 (17%) 38/262 (15%) 0.6
 - Heart failure 24/109 (22%) 69/262 (26%) 0.4
 - Hypertension 52/109 (48%) 120/262 (46%) 0.7
 - MCC 34/108 (31%) 87/261 (33%) 0.7
Other diseases 65/105 (62%) 183/256 (71%) 0.07
 - Dementia 22/105 (21%) 55/256 (21%) 0.9
 - Depression 5/105 (4.8%) 20/256 (7.8%) 0.3
 - Rheumatic disease 25/105 (24%) 72/256 (28%) 0.4
 - Diapetes mellitus    0.4
  - Type 1 0/105 (0%) 2/256 (0.8%)  
  - Type 2 19/105 (23%) 58/256 (18%)  
 - Cancer status    0.2
  - Terminal 2/105 (1.9%) 9/256 (3.5%)  
  - Have been treated 7/105 (6.7%) 32/256 (13%)  
  - Under treatment 6/105 (5.7%) 20/256 (7.8%)  
Smoking 20/81 (25%) 31/192 (16%) 0.1
  1. Data expressed as n (%) or mean (standard deviation)
  2. Two sample t-test, χ2 test and Fischer exact test (when counts < 5) were used
  3. Significant values are shown bold and italic
  4. COPD, chronic obstructive pulmonary disease, TIA Transient ischemic attack, MCC Morbus coronarius cordis