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Journal of Patient-Reported Outcomes

Table 2 Goodness-of-fit indices obtained by the confirmatory factor analyses at baseline (n = 528)

From: Hyperhidrosis quality of life index (HidroQoL): further validation by applying classical test theory and item response theory using data from a phase III clinical trial

Goodness-of-fit index

Two-factor structure

COSMIN criteria

CFI

Comparative fit index

0.857

≥ 0.95

TLI

Tucker–Lewis index

0.837

≥ 0.95

RMSEA

Root mean square error of approximation

0.086 (90% CI 0.080–0.093)

< 0.06

SRMR

Standardized root mean square residual

0.058

< 0.08

  1. CI Confidence interval, COSMIN COnsensus-based Standards for the selection of health Measurement INstruments
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