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Table 1 Average and net difference in utility scores between Australian population and first-ever stroke survivors.

From: The health loss from ischemic stroke and intracerebral hemorrhage: evidence from the North East Melbourne Stroke Incidence Study (NEMESIS)

 

Normal population†

NEMESIS utility scores*

Net difference (QoL weights)

Age

n

Mean utility

n

12 months

SD

5 years

SD

12 months

5 years

< 55

578

0.85

27

0.8249

0.2231

0.8189

0.1751

0.0251

0.0311

55-64

378

0.80

33

0.7422

0.2762

0.7553

0.2700

0.0578

0.0447

65-74

301

0.79

85

0.6035

0.2963

0.5485

0.3188

0.1865

0.2415

75-84

263

0.75

74

0.4986

0.3123

0.3722

0.3282

0.2514

0.3778

85+

96

0.66

18

0.2341

0.2643

0.1465

0.2241

0.4259

0.5135

Total

1 616

 

237

    

0.1886‡

0.2533‡

  1. *Utility scores were obtained using the Assessment of Quality of Life (AQoL) instrument.
  2. †Obtained from AQoL publication [17] and based on equivalent midpoint age used in the model. The normal population for age less than 55 comprises estimates for the 30-39 age group. This is because the midpoint for NEMESIS cases in the < 55 age group was 33 years. Utility estimates in the other age bands result from normal population for ages 50-59, 60-69, 70-79 and 80+, respectively.
  3. ‡summary estimate weighted for age and population size
  4. NEMESIS: North East Melbourne Stroke Incidence Study.