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Table 4 mean changes scores on both scales of the MSIS-29 according to transition ratings

From: Longitudinal proxy measurements in multiple sclerosis: patient-proxy agreement on the impact of MS on daily life over a period of two years

Patient

Transition rating

Δ MSIS-29 physical scalea (mean ± SD)

Δ MSIS-29 psychological scalea (mean ± SD)

Stableb (n = 17)

4.3 ± 12.8

1.8 ± 19.2

Deterioratedc (n = 39)

2.4 ± 14.0

0.6 ± 15.2

Proxy

Transition rating

Δ MSIS-29 physical scale a (mean ± SD)

Δ MSIS-29 psychological scale a (mean ± SD)

Stableb (n = 17)

5.4 ± 13.5

2.0 ± 18.6

Deterioratedc (n = 39)

7.8 ± 17.9

7.1 ± 24.1

  1. a Mean score at follow-up minus mean score at baseline
  2. b combines the transition ratings 'the same' – 'better' – 'a lot better', indicating both stability and improvement
  3. c combines the transition ratings 'worse' and 'a lot worse'.
  4. MSIS-29: Multiple Sclerosis Impact Scale