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Table 1 Impact of relevant preoperative patient characteristics

From: The impact of preoperative patient characteristics on the cost-effectiveness of total hip replacement: a cohort study

Significant Spearman’s rank correlation: relation of secondary diagnoses, operations/procedures, and further parameters with *costs and ^QALYs (p < 0.05) Frequency/mean (SD) % Missing
Secondary diagnoses, at least 10 times    
  D62 - Acute anemia* 26 8.9 1
  E03 - Hypothyroidism 48 16.5 1
  E11 - Diabetes* 23 7.9 1
  E66 - Obesity 18 6.2 1
  E78 - Lipidemia 30 10.3 1
  E79 - Purine/pyrimidine metabolism 13 4.5 1
  E86 - Hypovolemia* 13 4.5 1
  E87 - Dysfunction of water/electrolyte balance* 18 6.2 1
  F32 - Depression^ 12 4.1 1
  G47 - Sleep disorder* 10 3.4 1
  I10 - Arterial hypertonicity 160 55.0 1
  I25 - Ischemic heart disease 16 5.5 1
  I48 - Atrial fibrillation 12 4.1 1
  J45 - Asthma^ 12 4.1 1
  M16 - Coxarthrosis 281 96.6 1
  N18/N39 - renal failure and related diseases 17 5.8 1
  T81 - Other complications* 11 3.8 1
  Z86 - Personal anamnesis other diseases 11 3.8 1
  Z88 - Drug allergy 15 5.2 1
  Z91 - Risk factors in personal anamnesis 15 5.2 1
  Z92 - Care of personal anamnesis 43 14.8 1
  Z95 - Cardiac/vascular implants 24 8.2 1
  Z96 - Other functional implants 48 16.5 1
  n.n. - Cardiopathy 28 9.6 0
  n.n. - COPD 12 4.1 0
  n.n. - Hypercholesterolemia 44 15.1 0
  n.n. - Myocardial infarction/stent 20 6.9 0
  n.n. - Reflux^ 18 6.2 0
  n.n. - Major hip distortion*^ 20 7.0 0
  n.n. - deep venous thrombosis (DVT) 12 4.1 0
  Number of secondary diagnoses* 3.4 (3.0)   1
Operations and procedures, at least 5 times    
  5-782 - Excision/resection of diseased bone* 5 1.7 2
  5-791 - Open reposition of fracture* 6 2.1 2
  5-820 - Primary endoprosthesis (no revision) 281 96.7 2
  5-821 - Revision* 10 3.4 2
  5-829 - Other arthroplasty* 10 3.4 2
  5-986 - Minimally invasive technique 271 93.4 2
  8-919 - Acute pain relief 5 1.7 2
  8-930/1 - Monitoring* 30 10.3 2
  Number of operation and procedure codes* 2.4 (1.2)   2
Other    
  Age^ 68 (10.2)   1
  Gender male 121 41.6 1
  BMI* 26.8 (4.9)   7
   ≥30 49 17.2  
  Major diagnosis*    1
   Osteoarthritis 279 95.5  
   Osteonecrosis 3 1.0  
   Mechanical complications/infections 9 3.1  
  Operations at joint before procedure*^    1
   0 265 91.1  
   1 19 6.5  
   2 or more 7 2.4  
  Marital status    3
   Married 192 66.4  
   Single 25 8.7  
   Divorced/living apart 34 11.8  
   Widowed 38 13.1  
  Housing situation    4
   Alone 81 28.1  
   With partner 146 50.7  
   With family 61 21.2  
  Discharge home (other, inpatient rehabilitation) 56 19.2 3
  Health insurance compulsory (other, private)* 149 51.2 1
  Already THR 61 20.9 0
  Preoperative hemoglobin* 14.0 (1.2)   0
  Blood transfusion/erythrocyte concentrate* 16 5.5 2
  ASA score*    0
   1 110 37.7  
   2 158 54.1  
   3 or higher 24 8.2  
  Charlson Comorbidity Index*    1
   0 217 74.6  
   1 57 19.6  
   2 10 3.4  
   3 or higher 7 2.4  
  Metabolic syndrome* 8 2.7 0
  Cement or hybrid (other, cementless)^ 34 11.9 7