Table 5.

Magnitude of change comparison of physical performance measures in early entry (n = 53) versus late entry (n = 31) patients

Measure	Time after injury	Week 0	Week 4	Week 8	Magnitude of improvement p value
Four square	Early entry	12.1	9.2	6.6	0.28
step test (s)	Late entry	8.8	8.5	6.3
Timed stair	Early entry	8.2	8.3	4.9	0.013*
ascent (s)*	Late entry	6.2	5.9	4.2
Self-selected walking	Early entry	1.15	1.06	1.43	0.06
velocity (m/s)	Late entry	1.33	1.33	1.54
20-m shuttle	Early entry	0.8	1.3	2.6	0.34
run (m/s)	Late entry	1.8	1.9	2.6

* Timed stair ascent: Week 0 p = 0.006, Week 4 p = 0.055, Week 8 p = 0.08.