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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Lupus. 2016 Feb 10;25(11):1190–1199. doi: 10.1177/0961203316631632

Table 2.

Patient-reported outcome measures (n=123)

Outcome Measure Mean ± SD 95% CI Median (IQR)
Fatigue Severity Scale (FSS) 4.3 ± 1.6 4.0, 4.6 4.4 (3.1, 5.7)
PROMIS Measurea
   Fatigue 56.2 ± 9.7 54.5, 57.9 55.6 (50.4, 63.3)
   Pain Interference 55.3 ± 10.2 53.5, 57.1 55.8 (47.9, 62.8)
   Anxiety 54.5 ± 8.3 53.0, 56.0 53.2 (49.4, 60.4)
   Depression 49.8 ± 9.2 48.1, 51.4 50.9 (38.2, 55.1)
   Sleep Disturbance 56.0 ± 10.5 54.2, 57.9 56.1 (50.3, 63.3)
   Sleep-Related Impairment 55.4 ± 9.0 53.8, 57.0 55.1 (48.9, 62.3)
   Physical Function 43.8 ± 8.7 42.2, 45.3 43.1 (38.2, 49.6)

SD = standard deviation; CI = confidence interval; IQR = interquartile range; PROMIS = Patient Reported Outcomes Measurement Information System.

a

PROMIS measures are scored using a T-score metric, mean=50, SD=10 referenced to the U.S. general population. A 95% CI that excludes the value 50 indicates a statistically significant difference from the general U.S. population mean value.