Skip to main content

Table 2 Receiver operating characteristic curves for the OSI, PVA100%, PVA20%, PVA10%, MTF and Strehl ratio

From: Utility of the optical quality analysis system for decision-making in cataract surgery

 

Cut-off point

Sensitivity

Specificity

J-index

AUC (95% CI)

p-value

BCVA (logMAR)

0.2600

70.6%

95.2%

0.650

0.900 (0.847–0.953)

<  0.001*

MTF

16.15

79.3%

72.1%

0.514

0.805 (0.733–0.876)

<  0.001*

OSI value

2.35

83.9%

84.6%

0.685

0.902 (0.853–0.951)

<  0.001*

Strehl ratio

0.0955

71.0%

78.8%

0.498

0.800 (0.727–0.873)

<  0.001*

PVA100% (logMAR)

0.2600

79.0%

71.7%

0.507

0.828 (0.761–0.896)

<  0.001*

PVA20% (logMAR)

0.4600

64.5%

79.2%

0.437

0.749 (0.666–0.833)

< 0.001*

PVA10% (logMAR)

0.6600

80.6%

62.3%

0.429

0.791 (0.720–0.862)

< 0.001*

  1. AUC area under the curve, 95% CI 95% confidence interval, BCVA best corrected visual acuity, MTF modulation transfer function, OSI objective scatter index, PVA predicted visual acuity
  2. *statistically significant