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Table 3 T-score thresholdsa accuracy at intake (n = 360), 3–14 day follow-up (n = 230), and 45–60 day follow-up (n = 227)

From: Can Patient-Reported Outcomes Measurement Information System® (PROMIS) measures accurately enhance understanding of acceptable symptoms and functioning in primary care?

PROMIS Measure Optimal ½ SD worse 1 SD worse
Threshold Accuracy,% Sn, Sp Accuracy,% Sn, Sp Accuracy,% Sn, Sp
Physical Function
 intake 42.9 71.7 0.71, 0.77 67.2 0.59, 0.83 73.0 0.80, 0.65
 3–14 day 41.6 76.5 0.74, 0.79 70.4 0.59, 0.87 73.9 0.78, 0.68
 45–60 day 41.4 76.2 0.76, 0.79 70.9 0.61, 0.88 75.4 0.78, 0.74
Self-Efficacy for Managing Symptoms
 intake 45.4 73.6 0.71, 0.79 73.4 0.72, 0.77 65.5 0.88, 0.35
 3–14 day 46.1 79.1 0.83, 0.74 75.7 0.84, 0.64 65.7 0.96, 0.24
 45–60 day 47.3 77.5 0.77, 0.80 75.8 0.84, 0.66 67.4 0.94, 0.30
Pain Interference
 intake 57.8 73.6 0.76, 0.73 70.3 0.63, 0.84 72.2 0.81, 0.61
 3–14 day 55.9 76.0 0.74, 0.78 75.7 0.73, 0.79 75.7 0.86, 0.62
 45–60 day 56.1 75.5 0.77, 0.81 74.3 0.71, 0.82 76.5 0.88, 0.62
Fatigue
 intake 57.1 73.6 0.78, 0.68 69.7 0.68, 0.73 72.5 0.88, 0.52
 3–14 day 54.6 77.9 0.81, 0.73 77.4 0.81, 0.72 71.7 0.92, 0.44
 45–60 day 54.9 78.4 0.80, 0.79 78.4 0.80, 0.79 73.6 0.93, 0.47
Depression
 intake 53.5 68.3 0.75, 0.60 68.6 0.80, 0.54 65.5 0.92, 0.29
 3–14 day 50.7 71.8 0.81, 0.59 70.0 0.91, 0.41 63.1 0.95, 0.20
 45–60 day 51.3 70.2 0.77, 0.61 69.4 0.90, 0.39 67.1 0.95, 0.26
  1. Abbreviations: PROMIS Patient-Reported Outcomes Measurement Information System, SD Standard deviation, Sn Sensitivity, Sp Specificity
  2. aOptimal T-score thresholds listed; better overall accuracy between ½ SD worse and 1 SD worse thresholds in italics for each measure