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. Author manuscript; available in PMC: 2017 May 1.
Published in final edited form as: Clin J Pain. 2016 May;32(5):388–393. doi: 10.1097/AJP.0000000000000286

Table 1. Baseline PROMIS SPADE Symptom Scores in 250 Primary Care Patients with Chronic Pain.

PROMIS 4-item scale Cronbach's alpha Raw Score Mean (SD) T-score Mean (SD) T-score ≥ 55 N (%)
Pain 0.88 11.3 (4.2) 59.9 (7.1) 202 (80.8)
Fatigue 0.93 12.4 (4.3) 57.2 (9.8) 164 (65.6)
Sleep 0.88 12.7 (4.3) 55.4 (9.4) 132 (52.8)
Anxiety 0.89 7.2 (3.7) 51.1 (10.1) 93 (37.2)
Depression 0.93 7.0 (4.1) 50.2 (10.1) 79 (31.6)