Table 3.

Risk of sleep disorder among different subtypes of dry eye.

	Dry eye		Non-Dry eye
	N	No. of event	N	No. of event	HR (95% C.I.)
Sjögren syndrome (M35.0)
Sleep disorder (G47, F51.0, F51.8, F51.9)	95,804	14,307	95,804	13,186	1.22 (1.20–1.25)
G47 Sleep disorders	95,804	13,472	95,804	12,098	1.26 (1.23–1.29)
G47.0 Insomnia	95,804	6021	95,804	5789	1.16 (1.12–1.21)
G47.3 Sleep apnea	95,804	7531	95,804	6000	1.41 (1.37–1.46)
F51.0 Insomnia not due to a substance or known physiological condition	95,804	2128	95,804	2201	1.10 (1.04–1.17)
F51.8 Other sleep disorders not due to a substance or known physiological condition	95,804	127	95,804	74	1.89 (1.42–2.52)
F51.9 Sleep disorder not due to a substance or known physiological condition, unspecified	95,804	25	95,804	18	1.59 (0.87–2.92)
Meibomian gland dysfunction of eyelid (H02.88)
Sleep disorder (G47, F51.0, F51.8, F51.9)	82,119	8884	82,119	12,452	0.98 (0.95–1.01)
G47 Sleep disorders	82,119	8339	82,119	11,601	0.99 (0.96–1.02)
G47.0 Insomnia	82,119	3253	82,119	5102	0.91 (0.87–0.95)
G47.3 Sleep apnea	82,119	4899	82,119	6241	1.10 (1.06–1.14)
F51.0 Insomnia not due to a substance or known physiological condition	82,119	1217	82,119	1849	1.04 (0.97–1.12)
F51.8 Other sleep disorders not due to a substance or known physiological condition	82,119	58	82,119	52	1.68 (1.14–2.47)
F51.9 Sleep disorder not due to a substance or known physiological condition, unspecified	82,119	10	82,119	15	0.64 (0.27–1.51)