Table 3.

Descriptive statistics and reliability of the QOL-NPC (n = 487)

Domain	No. of items	Mean ± SD	Range of score	Cronbach’s alpha	Split-half coefficient	ICC (95 % CI)
PH	8	60.0 ± 16.9	(6.3, 100.0)	0.80	0.83	0.87 (0.85, 0.89)
PS	5	50.3 ± 15.5	(0.0, 100.0)	0.72	0.77	0.88 (0.86, 0.90)
SO	5	59.4 ± 17.2	(0.0, 100.0)	0.76	0.81	0.82 (0.78, 0.86)
SE	8	64.5 ± 17.6	(3.1, 100.0)	0.84	0.84	0.88 (0.84, 0.92)