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

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