Table 1.

Conversion Table for Gait Measures to Short Physical Performance Battery (SPPB) 4-m Walk

6 min	SPPB	20 m	SPPB	400 m	SPPB	400 m F	SPPB
1	2	6	3	5	4	7	5
2	2	7	3	6	5	8	6
3	3	8	4	7	6	9	7
4	3	9	5	8	7	10	8
5	4	10	5	9	8	11	9
6	5	11	6	10	9	12	10
7	5	12	6	11	10	13	11
8	6	13	7	12	11	14	11
9	7	14	8	13	12	15	12
10	8	15	8	14	13	16	13
11	9	16	9	15	14	17	14
12	9	17	9	16	15	NA	NA
13	10	18	10	NA	NA	NA	NA
14	11	19	10	NA	NA	NA	NA
15	12	20	11	NA	NA	NA	NA
16	12	21	12	NA	NA	NA	NA
17	13	NA	NA	NA	NA	NA	NA
18	14	NA	NA	NA	NA	NA	NA
19	15	NA	NA	NA	NA	NA	NA
20	16	NA	NA	NA	NA	NA	NA
21	16	NA	NA	NA	NA	NA	NA

Note: The unit is 0.1 m/s. For example, SPPB = 10 refers to the converted gait speed of 1 m/s. SPPB = 4-m walk in SPPB; 400 m F = 400-m fast walk; NA = no data are available.