Table 2.

GPE distributions

Measure	GPE category	Mean ± standard deviation
		T0	T1	T1–T0
ODI	Improved	25.4 ± 15.1	12.7 ± 12.1	−12.67 ± 11.21
	Stable	27.7 ± 17.6	22.0 ± 17.4	−5.73 ± 9.54
	Total	26.8 ± 16.6	17.9 ± 16.0	−8.91 ± 11.2
RMDQ	Improved	5.69 ± 3.73	1.79 ± 2.80	−3.93 ± 4.00
	Stable	6.80 ± 4.63	4.64 ± 4.05	−2.17 ± 3.08
	Total	6.36 ± 4.30	3.42 ± 3.83	−2.94 ± 3.63