. 2020 May 9;29(10):2679–2693. doi: 10.1007/s11136-020-02516-3

Table 4.

Survivors: health-related quality of life (EQ-5D-3L index values), with comparison to Norwegian population norms

Disease type	3 months (n = 368)			12 months (n = 383)			$Δ_{U_{12m}} - Δ_{U_{3m}}$ ^b
Disease type	n	Health state value, mean (SD)	$Δ_{U_{3m}}$ , mean^a	n	Health state value, mean (SD)	$Δ_{U_{12m}}$ , mean^a	$Δ_{U_{12m}} - Δ_{U_{3m}}$ ^b
Transient ischaemic attack	109	0.84 (0.24)	+ 0.03	114	0.83 (0.24)	+ 0.02	− 0.01
Mild stroke (NIHSS ≤ 3)	161	0.74 (0.27)	− 0.06**	163	0.76 (0.26)	− 0.05*	+ 0.02
Moderate stroke (NIHSS 4–10)	74	0.48 (0.42)	− 0.31***	73	0.66 (0.32)	− 0.14***	+ 0.17***
Severe stroke (NIHSS > 10)	24	0.32 (0.41)	− 0.48***	33	0.44 (0.42)	− 0.36***	+ 0.12
All stroke	259	0.63 (0.37)	− 0.17***	269	0.69 (0.32)	− 0.11***	+ 0.06**
Ischaemic stroke	226	0.65 (0.36)	− 0.15***	234	0.70 (0.31)	− 0.10***	+ 0.05*
Intracerebral haemorrhage	33	0.47 (0.38)	− 0.34***	35	0.63 (0.33)	− 0.18**	+ 0.16*
All	368	0.69 (0.35)	− 0.11***	383	0.73 (0.30)	− 0.07***	+ 0.04*

SD standard deviation, NIHSS National Institutes of Health Stroke Scale

*p < 0.05; **p < 0.01; ***p ≤ 0.001

^aMean difference from age-sex matched Norwegian pooled population norms

^bt test for partially overlapping samples