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Table 1 Characteristics of study population

From: Estimating a minimal clinically important difference for the EuroQol 5-dimension health status index in persons with multiple sclerosis

Characteristics

Patients (n = 3,044)

Age (mean, SD)

56.8 (9.9)

Female (n, %)

2444 (80.3%)

Race

White

2875 (94.4%)

Non-White

127 (4.2%)

Unknown

42 (1.4%)

Duration (avg. years, SD)

17.9 (8.9)

DMD in previous 6 months (n, %)

1869 (61.4)*

Currently working/attending school (n, %)

1121 (36.8)

PDDS Score (Median, IQR)

3 (1, 5)

0

526 (17.3%)

1

428 (14.1%)

2

241 (7.9%)

3

429 (14.0%)

4

507 (16.7%)

5

427 (14.0%)

6

399 (13.1%)

7

83 (2.7%)

8

4 (0.13%)

MSWS-12 Score (Mean, SD)

50.2 (33.7)

Median (Range)

52 (0–100)

Tertile 1

1138 (37.4%)

Tertile 2

763 (25.1%)

Tertile 3

1143 (37.5%)

EQ-5D (Mean, SD)

0.74 (0.18)

Median (Range)

0.78 (-0.04-1.0)

Floor (n, %)

0 (0%)

Ceiling (n, %)

404 (13.3%)

  1. n = number of patients; PDDS = Patient Determined Disease Steps; MSWS-12 = 12-point Multiple Sclerosis Walking Scale; EQ-5D = EuroQol-5 Dimension Health Status Index; SD = Standard Deviation; avg = average; IQR = interquartile range; DMD = Disease-Modifying Drug; *Patients may have received ≥1 DMD in previous 6 months.