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Table 2.

Correlations Between Patient-Reported Outcomes Measurement Information System Sleep Instruments and ESS

Instrument SDA SRI ESS
Baseline
 SDA
 SRI 0.67 (0.55 to 0.77)a
 ESS 0.18 (−0.02 to 0.36) 0.45 (0.28-0.59)a
Follow-up
 SDA
 SRI 0.65 (0.53 to 0.75)a
 ESS 0.25 (0.06 to 0.42)a 0.44 (0.26-0.58)a

Values are given as Pearson correlation coefficient (95% CI).See Table 1 legend for expansion of abbreviations.

a

Statistically significant correlation (P < .05).