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Table 6 Correlation of corneal tomographic parameters with biomechanical and epithelial thickness parameters in the allergic conjunctivitis (AC) group

From: Corneal biomechanical changes in allergic conjunctivitis

   TBI Epithelial thickness
2–5 mm 5–7 mm min SD
ISV r 0.653 −0.347 − 0.476 − 0.523 0.533
pa < 0.001* 0.060 0.008* 0.003* 0.002*
IVA r 0.673 −0.414 −0.439 − 0.450 0.293
pa < 0.001* 0.023* 0.015* 0.012* 0.116
KI r 0.716 −0.295 −0.368 − 0.355 0.385
pa < 0.001* 0.113 0.045* 0.054 0.036*
IHD r 0.612 −0.220 −0.255 − 0.353 0.257
pa < 0.001* 0.244 0.173 0.056 0.170
BAD-D r 0.693 −0.298 −0.291 − 0.253 0.264
pa < 0.001* 0.110 0.119 0.178 0.158
  1. ISV = index of surface variance; IVA = index of vertical asymmetry; KI = keratoconus index; IHD = index of height decentration; BAD-D = Belin/Ambrosio enhanced ectasia total deviation index; min = minimum; SD = standard deviation; TBI = tomography and biomechanical index
  2. a Statistically significant findings (P < 0.05) are indicated by an asterisk