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Table 2 Correlations between corneal thickness and PCA

From: Torsional and flattening effect on corneal astigmatism after cataract surgery: a retrospective analysis

Group Parameters Mean ± SD p value
WTR group CCT 541.8 ± 30.9 0.143
PCT (Superior) 631.2 ± 34.3 0.028 (r = 0.516)a
PCT (Inferior) 619.6 ± 31.2 0.529
PCT (Nasal) 608.3 ± 32.4 0.420
PCT (Temporal) 609.9 ± 30.5 0.396
ATR group CCT 542.3 ± 32.6 0.164
PCT (Superior) 615.2 ± 33.2 0.541
PCT (Inferior) 608.4 ± 32.1 0.368
PCT (Nasal) 599.8 ± 32.4 0.649
PCT (Temporal) 613.4 ± 30.5 0.113
  1. Values are presented as mean ± SD
  2. ATR against-the-rule, CCT central corneal thickness, PCA posterior corneal astigmatism, PCT peripheral corneal thickness, WTR with-the-rule
  3. a Correlation between corneal thickness and posterior corneal astigmatism using the Pearson correlation coefficient