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*

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