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Table 3 Comparison of the incidence rates of different astigmatism types between the two groups

From: Multivariate analysis of the effect of Chalazia on astigmatism in children

Chalazion

Total

Types

χ2

P

WR

Non-WR (AR + OBL)

Yes

211/491

154

57 (41 + 16)

4.231

0.04*

No

83/305

70

13 (11 + 2)

Total

241/796

224

70 (52 + 18)

  1. * indicates a difference in the incidence rate of different types of astigmatism in the chalazion and control group (P < 0.05). WR = with-the-rule astigmatism; AR = against-the-rule astigmatism；OBL = oblique astigmatism; non-WR = AR + OBL
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BMC Ophthalmology

ISSN: 1471-2415

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