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Table 8 External responsiveness of all PROMs

From: Psychometric properties of Patient Reported Outcome Measures (PROMs) in patients diagnosed with Acute Respiratory Distress Syndrome (ARDS)

EQ-5D-3 L N 6 months 12 months P value Difference SRM SRM CI Cohen’s D
 Much Better 6 0.75 0.88 0.009 0.13 4.09 4.07 4.12 0.85
 Better 33 0.67 0.75 0.028 0.08 2.30 2.28 2.31 0.31
 Same 79 0.65 0.63 0.448 −0.02 −0.76 −0.77 −0.76 0.06
 Worse 31 0.55 0.54 0.686 −0.02 −0.41 −0.42 −0.39 0.05
 Much Worse 2 0.69 0.51 0.500 −0.18 −1.00 −1.25 −0.75 0.31
SF-6D N 6 Months 12 Months P Value Difference SRM SRM CI Cohen’s D
 Much Better 6 0.71 0.74 0.592 0.03 0.57 0.53 0.62 0.21
 Better 37 0.69 0.73 0.014 0.05 2.58 2.58 2.59 0.32
 Same 74 0.67 0.69 0.045 0.02 2.04 2.05 2.05 0.15
 Worse 28 0.66 0.67 0.814 0.00 0.23 0.23 0.25 0.04
 Much Worse 2 0.69 0.60 0.205 −0.09 −3.00 −3.04 −2.96 0.41
SF-12 PCS N 6 Months 12 Months P Value Difference SRM SRM CI Cohen’s D
 Much Better 6 35.60 50.40 0.004 14.80 4.95 2.56 7.34 1.36
 Better 36 35.07 41.65 0.000 6.58 4.79 4.34 5.24 0.52
 Same 71 38.32 40.63 0.002 2.13 2.87 2.70 3.05 0.19
 Worse 26 37.45 35.15 0.1517 −2.30 −1.48 −2.08 −0.88 0.18
 Much Worse 2 44.01 31.63 0.366 −12.38 −1.54 −12.66 9.57 1.37
SF-12 MCS N 6 Months 12 Months P Value Difference SRM SRM CI Cohen’s D
 Much Better 6 49.81 49.39 0.897 −0.42 −0.14 −2.59 2.32 0.03
 Better 36 48.15 50.21 0.222 2.06 1.24 −0.70 1.79 0.16
 Same 71 44.53 45.24 0.502 0.72 0.68 0.43 0.92 0.05
 Worse 26 49.29 46.76 0.226 −2.53 −1.24 −2.02 −0.46 0.20
 Much Worse 2 40.00 44.28 0.707 4.28 0.50 −11.46 12.45 0.17
SGRQ Total Score N 6 Months 12 Months P Value Difference SRM SRM CI Cohen’s D
 Much Better 4 20.54 13.64 0.012 −6.91 −5.10 −3.77 −6.43 0.54
 Better 24 26.50 24.14 0.279 −2.37 −1.11 −0.26 −1.96 0.11
 Same 50 30.00 30.53 0.789 0.53 0.27 0.82 −0.28 0.02
 Worse 18 36.84 38.14 0.540 2.30 0.63 2.32 −1.07 0.09
 Much Worse 1 19.37 54.48 N/A 35.11 N/A N/A N/A N/A