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Table 1 Clinical characteristics of the study population at admission to the geriatric rehabilitation department

From: Immune risk phenotype is associated with nosocomial lung infections in elderly in-patients

  Patients (n = 252)
Age, mean ± SD, years 85.2 ± 6.2
Sex (male/female) 71/181
Marital status, n (%)  
- married 78 (31)
- single 14 (5)
- divorced 4 (2)
- widowed 156 (62)
Living arrangements, n (%)  
-home 243 (96)
-nursing home 9 (4)
Main reason for hospital admission, n (%)  
- cardiopulmonary disease 65 (25.8)
- dementia 61 (24.2)
- psychiatric disease 14 (5.5)
- stroke 26 (10.3)
- neurological disease 17 (6.7)
- metabolic and other diseases 18 (7.1)
- osteoporosis and/or fracture 51 (20.2)
Patients with at least one nosocomial infection, n (%) 97 (38.5)
Sites (n = 115)  
- Respiratory tract, n (%) 53 (21)
- pneumonia 45 (17.9)
- bronchitis 9 (3.6)
- Urinary tract, n (%) 43 (17.1)
- Gastrointestinal tract 3 (1.2)
- Skin 11 (4.4)
- Other 5 (2.0)
  1. We recorded 115 infections in 97 patients; 18 patients each had two infections at different sites.