Skip to main content

Table 2 Mean utilities by time: Utility scoresa (95% confidence interval) at select study visits

From: Health-related quality of life in persons with West Nile virus infection: a longitudinal cohort study

  Cohort entry 10-day visit 30-day visit 6-month visit 12-month visit 24-month visit 30-month visit
Total cohort 0.59
(0.57, 0.62)
n = 146
0.67
(0.64, 0.69)
n = 106
0.72
(0.69, 0.75)
n = 68
0.77
(0.74, 0.80)
n = 95
0.80
(0.76, 0.84)
n = 49
0.76
(0.66, 0.84)
n = 12
0.77
(0.69, 0.84)
n = 10
Neuro-invasive 0.54
(0.51, 0.57)
n = 58
0.60
(0.57, 0.64)
n = 38
0.67
(0.63, 0.72)
n = 21
0.74
(0.69, 0.78)
n = 39
0.81
(0.76, 0.86)
n = 26
0.75
(0.65, 0.85)
n = 8
0.77
(0.68, 0.86)
n = 6
Non-neuro-invasive 0.63
(0.60, 0.66)
n = 88
0.70
(0.67, 0.73)
n = 68
0.74
(0.70, 0.78)
n = 47
0.79
(0.76, 0.83)
n = 56
0.80
(0.73, 0.85)
n = 23
0.77
(0.57, 0.89)
n = 4
0.76
(0.61, 0.86)
n = 4
  1. aUtility scores range on a scale from 0 (equivalent to being dead) to 1 (equivalent to perfect health). Larger values indicate better health-related quality of life. Scores are derived from the Medical Outcomes Study Short-Form-6D health state classification