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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Stroke. 2014 May 27;45(7):2053–2058. doi: 10.1161/STROKEAHA.114.004695

Table 1.

Details of Regression Model 3.

Parameter
Estimate		 95% Confidence
Interval		 Z-value P-value
Intercept 0.2735 [0.09, 0.46] 2.85 .004
Yrs.PS (yrs) 0.0110 [−0.45, 0.47] 0.04 .963
Yrs.PS2 0.0078 [−0.09, 0.11] 0.15 .879
ΔTime (10 hrs) 0.0344 [0.00, 0.07] 2.04 .041

Note. Parameter estimates for Yrs.PS in years and the estimates for ΔTime in 10-hour units. We tested the interaction of Yrs.PS and ΔTime, which was marginally significant (p = 0.06; b = 0.027), suggesting the effect of increased time in therapy was larger for later post-stroke times. This interaction was marginal and did not improve the fit of the model, so the main effects model is presented.