Table 2.  Rehabilitation-related variables and Barthel index score at discharge.

Rehabilitation-related variable	Number of participants (n=1381*)	BI score at discharge, median (25th–75th percentiles)
Interval from admission to rehabilitation (per extra day)
1	68	70 (50–100)
2	510	70 (45–100)
3	242	70 (50–100)
4	177	70 (45–100)
5	119	80 (50–100)
6	67	65 (35–100)
≥7	198	80 (45–100)
Frequency of rehabilitation treatment during hospitalization (days/week)
≤3.0	93	75 (40–95)
3.1–4.0	226	70 (40–100)
4.1–5.0	599	75 (45–100)
5.1–6.0	337	70 (50–100)
6.1–7.0	126	70 (50–95)
Intensity of rehabilitation treatment during hospitalization (min/day of rehabilitation treatment)
20–39	1001	65 (40–95)
40–59	246	85 (50–100)
≥60	134	90 (65–100)

BI, Barthel index.

*We excluded 325 participants who lacked information regarding the BI score at discharge.