Comparison between the six-minute walk test and the six-minute step test in post stroke patients

Table 2 Description of the physiological variables in the 6MWT and the 6MST

	6MWT			6MST			Difference final-initial between 6MWT × 6MST
	Beginning	End	p	Beginning	End	p	ICC	r	Limits of agreement (lower. upper )^a
SaO ₂ (%)	96 ± 1.5	97 ± 1.5	0.046	97	97	0.938	0.262	0.335	−1.847 ; 3.014
SBP (mmHg)	115*	130*	0.039	120*	135*	<0.001	0.458	0.673	- 39.093 ; 14.093
DBP, (mmHg)	75 ± 5	75 ± 5	0.851	74 ± 6	80 ± 6	0.025	0.471	0.589	−30.759 ; 20.759
HR, (bpm)	77 ± 2	95 ± 2	<0.001	77 ± 9	97 ± 15	0.001	0.376	0.449	−30.984 ; 26.151
RR, (rpm)	17 ± 2	23 ± 3	<0.001	20*	26*	<0.001	0.042	0.040	−8.999 ; 6.666
BS (dyspnea)	9*	12*	0.003	8*	12*	<0.001	0.432	0.449	−6.942 ; 6.942
BS (MMII)	9*	14*	0.004	9*	13*	0.001	0.307	0.276	−9.283 ; 9.783
DP (bat.mmHg.min ^-1 )	9295 ± 1868	12440 ± 3393	<0.001	9300*	11040*	<0.001	0.607	0.833	−7227.037 ; 3682.036

6MWT Six-Minute Walk Test, 6MST Six-Minute Step Test, SBP Systolic Blood Pressure, DBP Diastolic Blood Pressure; HR: Heart Rate, DP Double Product, RR Respiratory Rate, BS Borg Scale, SaO ₂ Oxygen Saturation, mmHg millimeters of mercury, bpm beats per minute; min minute, rpm repetitions per minute, LL lower limbs, ICC Intraclass correlation coefficient, r: Pearson correlation coefficient; ^a Limits of agreement obtained by the Bland-Altman difference to Walk - Steps: (mean_dif -1.96* dp_dif and mean_dif +1.96*dp_dif).
*Data in median.