Table II.

Change in locomotor disability by trajectory groups in CAS-K

	Change in disability
Mild, non-progressive (n = 141)	0
Progressive (n = 119)	−0.60 (−1.13, −0.07)
Moderate (n = 78)	−0.40 (−1.00, 0.20)
Improving (n = 44)	0.50 (−0.23, 1.24)
Severe, non-improving (n = 10)	0.34 (−1.06, 1.73)

Change in disability = Change in locomotor disability (baseline – 6-year follow-up) i.e., a negative score on the outcome represents a worsening of locomotor disability over the 6-year follow-up time-period. Figures are regression coefficients and 95% confidence intervals from an analysis of variance model with change in loco-motor disability as the dependent variable.