Table 5: Factors associated with non-vision threatening disorders among OSA cases (n=80).

Factors	Conjunctival hyperemia			Dry eye
	`Absent Mean ±SD	Present Mean ±SD	P-Value	`Absent Mean ±SD	Present Mean ±SD	P-Value
Age (year)	46.5± 10.6	45.5± 8.11	0.34	43.09 ±10.18	49.78± 7.56	0.008*
Sex			0.36	28(63.3%)	16(36.4%)	0.11
Male	24(54.5%)	20(45.5%)		16(44.4%)	20(56.6%)
Female	24(66.6%)	12(33.3%
Body Mass Index	43.31± 4.81	42.38± 3.74	0.46	43.2±4.47	42.61± 4.38	0.401
Duration of illness (years)	2.71± 1.4	1.40 ±1.72	0.34	2.61 ±1.5	2.69± 1.58	0.81
Apnea–Hypopnea Index	37.42± 21.18	50 ±32.77	0.12	36.64± 22.6	49.56± 30.31	0.03*
Basal oxygen level	95.42 1.87	94.13 ±3.95	0.3	95.73 1.98	93.89± 3.56	0.02*
Lowest oxygen sat. Index	85.17 ±6.89	77.25±12.78	0.03*	87.55± 6.74	75.22±10.05	0.001*
Desaturation index	39.33 ±25.44	50.25±37.43	0.53	34.91±28	54.44 31.55	0.01*
Total severity index	33.5 ±17.29	40.8 ±37.06	0.81	27.64± 17.55	47.22±32.44	0.01*
Arousal index	76.75 ±45.95	100.2 69.7	0.27	71.55±49.68	104±61.81	0.03*