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Table 2 Demographic data, according to cause of acute tubular necrosis

From: Patients with ischaemic, mixed and nephrotoxic acute tubular necrosis in the intensive care unit – a homogeneous population?

Characteristic Cause of ATN
  Ischaemic (n = 265) Mixed (n = 201) Nephrotoxic (n = 58)
Age (years) 56.7 ± 18.8 58.8 ± 18.3 58.9 ± 20.1
Sex    
   Male 188 (71%) 133 (66%) 40 (69%)
   Female 77 (29%) 68 (34%) 18 (31%)
Medical 143 (54%)* 82 (41%) 28 (48%)
Surgical 122 (46%) 119 (59%) 30 (52%)
APACHE II score 21.0 ± 7.3 20.7 ± 7.2 20.3 ± 8.4
Co-morbid conditions    
   Hypertension 59 (21%) 36 (18%) 21 (36%)
   Pulmonary diseases 17 (6.4%) 14 (7%) 3 (5.2%)
   Liver diseases 34 (12.8%) 16 (8%) 2 (3.4%)
   Cardiovascular diseases 44 (16.6%) 26 (12.9%) 7 (12.1%)
   At least one co-morbid condition 164 (62%)* 98 (49%) 38 (65%)
  1. Data are expressed as mean ± standard deviation or n (%). *P < 0.017, ischaemic versus mixed acute tubular necrosis (ATN); P < 0.017, mixed versus nephrotoxic ATN.