Table 7.

Association between respiratory function and grip strength and the degree of dependence, as measured by the Barthel index, at discharge and 90 days after discharge.

Barthel index at discharge
Variables	β	SE	p
MEP∗	0.027	0.059	0.649
MEP∗∗	0.071	0.062	0.256
MIP∗	0.043	0.058	0.462
MIP∗∗	0.036	0.059	0.549
Handgrip strength nonaffected side∗	0.184	0.171	0.287
Handgrip strength nonaffected side∗∗	0.480	0.203	0.023
Barthel index 90 days after discharge
Variables	β	SE	p
MEP∗	0.016	0.018	0.395
MEP∗∗	0.033	0.020	0.103
MIP∗	0.012	0.018	0.499
MIP∗∗	0.018	0.019	0.342
Handgrip strength nonaffected side∗	0.017	0.054	0.752
Handgrip strength nonaffected side∗∗	-0.043	0.053	0.432

MIP: maximum inspiratory pressure; MEP: maximum expiratory pressure; multiple linear regression test was used (p < 0.05); β: beta error; SE: standard error. ^∗Adjusted for NIHSS score at admission. ^∗∗Adjusted for the age, sex, and NIHSS score at admission.