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Table 3 Ocular abnormalities in the two groups

From: Prevalence of refractive errors in Tibetan adolescents

Type of disorder

Plateau group (n,%)

Plains group (n,%)

Χ2

p value

Anisocoria

26(0.80)

25(0.23)

23.485

p < 0.001

Anisometropia

127(3.91)

1652(14.88)

278.448

p < 0.001

Astigmatism

138(4.25)

1290(11.62)

152.348

p < 0.001

Gaze

62(1.91)

791(7.12)

122.280

p < 0.001

Hyperopia

23(0.71)

104(0.94)

1.498

P = 0.221

Myopia

774(23.83)

5487(49.42)

669.251

p < 0.001