Table III.

Correlation between functional improvement during rehabilitation (measured by FIM at discharge, delta FIM, and motor parameters at discharge) and severity of acute illness (measured by WHO-CPS and duration of acute hospitalization and ventilation)

Admission Discharge	Age	CPS	Weeks of acute hospitalization	Days of ventilation	VAS	MoCA	FSS
Length of rehabilitation	–0.16	0.11	0.28 *	0.15	0.29 *	–0.04	–0.04
Cognitive FIM	0.13	0.24	0.19	0.19	–0.20	0.43 **	–0.07
Motor FIM	–0.26 *	–0.19	–0.21	–0.08	0.27 *	0.1	0.18
Total FIM	–0.23	–0.14	–0.17	–0.04	0.23	0.22	0.17
Delta cognitive FIM	–0.22	0.08	0.25 *	–0.02	–0.01	–0.04	0.02
Delta motor FIM	0.04	0.46 **	0.68 **	0.50 **	–0.03	0.22	0.10
Delta total FIM	0.00	0.45 **	0.68 **	0.47 **	–0.03	0.20	0.10
BBT	–0.34 *	–0.24	–0.30 *	–0.16	0.10	0.26	0.02
Dynamometer	–0,19	–0.00	–0.14	–0.07	0.045	0.22	–0.23
6MW	–0.43 *	0.16	–0.18	–0.02	0.03	0.21	0.02
10MW	–0.28 *	0.02	0.04	0.25	0.03	0.17	0.06
TUG	0.29 *	0.10	0.12	–0.05	–0.08	0.0	–0.09

Pearson's correlation coefficient.

^*Correlation is significant at the 0.05 level (2-tailed).

^**Correlation is significant at the 0.01 level (2-tailed).

WHO-CPS: World Health Organization Clinical Progression Scale. VAS: Visual Analogue Scale. MoCA: Montreal Cognitive Assessment. FSS: Fatigue Severity Scale. FIM: Functional Independence Measure. BBT: Box and Blocks of both hands. Jamar dynamometer: hand grip force of both hands. 6MW: six-minute walk test. 10MW: 10-meter walk test. TUG: Time Up and Go.