Skip to main content

Table 2 Comparison of corneal power and axial length

From: Accuracy of swept-source optical coherence tomography based biometry for intraocular lens power calculation: a retrospective cross–sectional study

  SS–OCT biometer PCI A–scan US p–value
Group A (n = 128)
 Corneal power (D) 44.14 ± 1.47 44.16 ± 1.50 44.04 ± 1.50 0.811*
 Axial length (mm) 24.56 ± 2.16 24.58 ± 2.22 24.49 ± 2.19 0.935*
Group B (n = 36)
 Corneal power (D) 44.01 ± 1.92 N/A 44.03 ± 1.88 0.924
 Axial length (mm) 25.18 ± 2.86 N/A 25.02 ± 2.82 P < .001
  1. Values are presented as mean ± standard deviation
  2. Group A; PCI feasible, Group B; PCI unfeasible
  3. D diopters, SS–OCT swept–source optical coherence tomography, PCI partial coherence interferometry, US ultrasonography
  4. *p–value is for KruskalWallis test
  5. p–value is for Wilcoxon signed rank test
  6. ††Measurement using manual keratometry
\