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. 2018 Jul 31;13(7):e0201399. doi: 10.1371/journal.pone.0201399

Table 4. Utility values according to visual acuity.

Category EQ-5D-3L
Mean ± SD (95% CI)
BEVA
    20/20 to 20/25 0.9019±0.1460 (0.8918–0.9121)
    20/30 to 20/40 0.8477±0.1872 (0.8273–0.8681)
    20/50 to 20/100 0.8095±0.2305 (0.7719–0.8470)
    ≤20/200 0.7942±0.2833 (0.6141–0.9742)
      p value (Kruskal-Wallis test) <0.001
WEVA
    20/20 to 20/25 0.9148±0.1323 (0.9040–0.9255)
    20/30 to 20/40 0.8584±0.1848 (0.8385–0.8782)
    20/50 to 20/100 0.8274±0.2057 (0.8028–0.8521)
    ≤20/200 0.8464±0.2023 (0.8055–0.8874)
      p value (Kruskal-Wallis test) <0.001
BEVA:WEVA
    ≥20/40:≥20/200 0.8870±0.1600 (0.8774–0.8965)
    ≥20/40:<20/200 0.8629±0.1860 (0.7990–0.9268)
    <20/40:≥20/200 0.8082±0.2341 (0.7699–0.8465)
    <20/40:<20/200 0.8093±0.2408 (0.6638–0.9548)
      p value (Kruskal-Wallis test) <0.001

Acronyms: EQ-5D-3L, three level version of EuroQol-5D; SD, standard deviation; CI, confidence interval; BEVA, best-eye visual acuity; WEVA, worst-eye visual acuity