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Table 1 Descriptive statistics on observations

From: Can we derive an 'exchange rate' between descriptive and preference-based outcome measures for stroke? Results from the transfer to utility (TTU) technique

  N(%) Min Max Mean SD
SF-36 to AQoL algorithm      
Female 1257(49) - - - -
Age 2543 2.26 98.13 71.528 13.511
AQoL      
   Utility Score 2544 -0.04 1.00 0.467 0.338
SF-36 Scales      
   PCS 2119 4.46 68.38 38.040 11.724
   MCS 2119 5.57 75.49 49.614 11.941
SF-36 Subscales      
   Physical Function (PF) 2132 0 100 44.308 34.731
   Role Physical (RP) 2132 0 100 51.466 44.552
   Bodily Pain (BP) 2132 0 100 74.546 27.671
   General Health (GH) 2126 0 100 56.247 25.141
   Vitality (VI) 2128 0 100 49.039 24.113
   Social Function (SF) 2132 0 100 71.582 34.010
   Role Emotional (RE) 2127 0 100 76.399 39.766
   Mental Health (MH) 2128 0 100 73.085 21.383
Barthel to AQoL algorithm      
Female 1242(48) - - - -
Age 2510 2.26 98.13 71.520 13.522
AQoL      
   Utility Score 2568 -0.04 1.00 0.467 0.338
Barthel Index      
   Barthel Index Score 2568 0 20 15.859 6.191
NIHSS to AQoL algorithm      
Female 1275(49) - - - -
Age 2570 2.26 98.13 71.613 13.481
AQoL      
   Utility Score 2570 -0.04 1.00 0.467 0.338
NIHSS      
   NIHSS Total 2561 0 29 1.595 3.564