Development and validation of the Chinese version of dry eye related quality of life scale

Table 6 Known-groups validity of the CDERQOL scale by dry eye severity

Domain scores \( \overline{x} \) (s)	Severity of dry eye^*			F value	P value
Domain scores \( \overline{x} \) (s)	Mild (n = 24)	Moderate (n = 36)	Severe (n = 30)	F value	P value
Dry Eye Symptom Bother	32.7 (8.4)	35.3 (9.8)	44.1 (9.0)^b,c	12.028	< 0.001
Impact on Daily Activities	17.4 (4.6)	19.8 (5.1)	28.8 (3.9)^b,c	47.476	< 0.001
Emotional Impact	21.2 (7.5)	25.9 (7.2)^a	38.4 (7.5)^b,c	40.864	< 0.001
Impact on Work	20.0 (5.8)	23.3 (6.8)^a	27.0 (5.9)^b,c	8.898	< 0.001
Satisfaction with Treatment	31.3 (6.0)	32.5 (4.5)	30.3 (5.1)	1.333	0.270

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