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Journal of Patient-Reported Outcomes

Table 8 Correlations between change in NAVQ-P total score, NVCI, and NVS and change in proposed anchors between Baseline and Month 3

From: Psychometric evaluation of the near activity visual questionnaire presbyopia (NAVQ-P) and additional patient-reported outcome items

Target Score

Spearman correlation coefficient

PGI-S

PGI-C

DCNVA (logMAR)

NAVQ-P total score

0.618

-0.549

0.247

NVCI

0.472

-0.547

0.245

NVS

-0.498

-0.583

-0.285

  1. Values represent Spearman’s rank correlation coefficients for change from Baseline to Month 3
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