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Table 3 Predictors for visual outcome at 6 months postoperatively using bivariate correlation analyses

From: Efficacy, predictability, and safety of small incision lenticule extraction: 6-months prospective cohort study

Covariate (preoperative factors) UCVA at 1 day UCVA at 6 months Refractive error at 6 months
  Pearson correlation analysis
  r p value r p value r p value
Age 0.077 0.104 0.139 0.044* 0.106 0.496
Central corneal thickness -0.017 0.726 0.058 0.293 -0.026 0.639
Corneal power 0.076 0.108 0.006 0.915 -0.01 0.859
Spherical equivalent -0.035 0.461 -0.162 0.301 0.41 0.081
Astigmatism -0.051 0.282 -0.087 0.113 0.147 0.347
Intraocular pressure -0.007 0.88 0.135 0.514 -0.147 0.237
  1. *p<.05.