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Table 1 Comparisons of mean scores, standard deviations of mean scores (SD) and mean range scores

From: Collection of patient-reported outcomes; - text messages on mobile phones provide valid scores and high response rates

  Scores (mean) SD (mean scores) Range (mean)
Variable (NRS)a SMS P&P p-value SMS P&P p-value SMS P&P p-value
Pain 3.45 3.47 0.76b 1.60 1.61 0.46b 3.33 3.43 0.55c
Fatique 3.66 3.64 0.92b 1.84 1.95 0.65c 3.71 3.52 0.55b
Stiffness 4.08 4.13 0.70b 1.84 2.03 0.16b 3.19 2.90 0.32b
Activity 3.29 3.32 0.84b 1.92 2.08 0.85c 3.90 3.67 0.37c
  1. aNRS = Numeric Rating Scale, 0 - 10, 0 = best, bpaired t-test, cWilcoxon Signed Rank test.