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Table 3 Health utility estimates stratified by patient characteristics

From: Health utility after emergency medical admission: a cross-sectional survey

Factor N N dead Mean SD Median p
   Overall 3028 541 0.45 0.36 0.52  
Gender       < 0.001
   Females 1552 279 0.43 0.36 0.52  
   Males 1448 255 0.48 0.37 0.59  
Age       < 0.001
   Under 30 110 2 0.65 0.38 0.76  
   30-39 121 4 0.58 0.37 0.69  
   40-49 204 4 0.53 0.40 0.69  
   50-59 277 19 0.47 0.36 0.59  
   60-69 509 69 0.45 0.37 0.52  
   70-79 773 137 0.43 0.35 0.52  
   80-89 813 219 0.40 0.34 0.52  
   90 or above 204 82 0.29 0.30 0.25  
Centre       0.071
   Barnsley 906 127 0.47 0.36 0.59  
   Rotherham 921 188 0.44 0.36 0.52  
   Sheffield 1201 226 0.44 0.37 0.52  
Previous hospital admission       < 0.001
   Yes 454 93 0.35 0.36 0.29  
   No 1397 259 0.46 0.37 0.52  
   Unknown 1177 189 0.48 0.36 0.59  
ICD-10 code       < 0.001
   Certain infectious and parasitic diseases 71 24 0.43 0.41 0.52  
   Diseases of the circulatory system 654 148 0.46 0.36 0.56  
   Diseases of the digestive system 257 29 0.53 0.36 0.62  
   Diseases of the genitourinary system 136 22 0.43 0.39 0.52  
   Diseases of the musculoskeletal system and connective tissue 60 1 0.33 0.34 0.52  
   Diseases of the nervous system 100 6 0.51 0.36 0.59  
   Diseases of the respiratory system 625 174 0.39 0.37 0.38  
   Diseases of the skin and subcutaneous tissue 16 4 0.36 0.38 0.52  
   Endocrine, nutritional and metabolic diseases 36 4 0.63 0.34 0.69  
   Injury, poisoning and certain other consequences of external causes 386 47 0.43 0.34 0.52  
   Mental and behavioural disorders 46 4 0.46 0.36 0.52  
   Neoplasms 69 46 0.18 0.33 0.00  
   Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified 532 24 0.50 0.35 0.59  
   Other 31 2 0.55 0.35 0.59  
   Unknown 9 6 0.41 0.47 0.19  
History of chronic respiratory disease 455 96 0.32 0.32 0.29 < 0.001
History of heart disease 1109 211 0.41 0.34 0.52 < 0.001
History of active malignancy 170 84 0.29 0.35 0.19 < 0.001
History of asthma 335 44 0.41 0.36 0.52 0.048
History of diabetes 478 79 0.40 0.35 0.52 0.003
History of epilepsy 112 18 0.39 0.38 0.52 0.074
On warfarin therapy 213 33 0.41 0.34 0.52 0.126
On steroid therapy 190 44 0.30 0.33 0.26 < 0.001
Glasgow coma scale       < 0.001
   < = 8 111 67 0.24 0.36 0.03  
   9-12 126 61 0.34 0.37 0.25  
   13-15 2706 384 0.47 0.36 0.58  
   Missing 85 29 0.32 0.33 0.36  
Oxygen saturation (%)       < 0.001
   > 93(air)/> 98(O2) 1913 206 0.48 0.36 0.59  
   90-93(air)/94-98(O2) 541 120 0.42 0.36 0.52  
   < 90(air)/< 94(O2) 472 175 0.36 0.36 0.29  
   Missing 102 40 0.35 0.37 0.36  
Systolic blood pressure (mmHg)       0.002
   120-180 1967 274 0.46 0.36 0.58  
   > 180 364 48 0.46 0.35 0.59  
   100-119 365 104 0.42 0.37 0.52  
   < 100 274 95 0.40 0.38 0.52  
   Missing 58 20 0.31 0.36 0.36  
Heart rate (per minute)       0.003
   60-100 1874 287 0.46 0.36 0.55  
   101-130 745 153 0.42 0.37 0.52  
   > 130 168 51 0.43 0.38 0.52  
   < 60 188 33 0.51 0.37 0.62  
   Missing 53 17 0.33 0.36 0.36  
Respiratory rate (per minute)       < 0.001
   10-25 2359 329 0.48 0.36 0.59  
   > 25 525 170 0.37 0.37 0.29  
   < 10 13 5 0.25 0.38 0.08  
   Missing 131 37 0.34 0.35 0.36  
  1. Note: responders alive at 30 days are upweighted by the inverse of the age & gender specific response rate