Table 5.

Cross tables to calculate sensitivity and specificity

a		Groups HGS t2		Total
		Values < HGS cut-offs	Values > HGS cut-offs
HGS t2 pre-JP	Values < HGS cut-offs	35	15	50
	Values > HGS cut-offs	50	75	125
Total		85	90	175
Sensitivity 41.1%, specificity 83.3%
b		Groups TUG t2		Total
		Values > 2.05 s	Values < 2.05 s
TUG t2 pre-JP	Values > 2.05 s	3	45	48
	Values < 2.05 s	12	116	128
Total		15	161	176
Sensitivity 20.0%, specificity 72.0%
d		Groups SCPTP t2		Total
		Values < −44 W	Values > −44 W
SCPTP t2 pre-JP	Values < −44 W	3	54	57
	Values > −44 W	2	117	119
Total		5	171	176
Sensitivity 60.0%, specificity 68.4%
e		Groups 4mGS t2		Total
		Values < −0.10 m/s	Values > −0.10 m/s
4mGS t2 pre-JP	Values < –0.10 m/s	7	59	66
	Values > −0.10 m/s	9	101	110
Total		16	160	176
Sensitivity 43.8%, specificity 63.1%
f		Groups 5TCR t2		Total
		values < −3.94 s	values > −3.94 s
5TCR t2 pre-JP	Values < −3.94 s	3	39	42
	Values > −3.94 s	1	133	134
Total		4	172	176
Sensitivity 75.0%, specificity 77.3%
g		Groups SPPB t2		Total
		Values < 1 point	Values > 1 point
SPPB t2 pre-JP	Values < −1 point	27	55	82
	Values > −1 point	29	65	94
Total		56	120	176
Sensitivity 41.5%, specificity 54.1%
h		Groups 6mWT t2		Total
		Values < −50 m	Values > −50 m
6mWT t2 pre-JP	Values < −50 m	14	65	74
	Values > −50 m	9	88	102
Total		23	153	176
Sensitivity 60.9%, specificity 57.5%
i		Overall FGA		Total
		At least 1/7 clinically conspicuous	None
Overall FGA	At least 1/7 clinically conspicuous	127	43	170
	None	3	3	6
Total		130	46	176
Sensitivity 97.6%, specificity 6.5%

FGA functional geriatric assessment, JP jumping power, HGS handgrip strength, TUG timed up and go test, SCPT stair climbing power test, 4mGS four-meter gait speed, 5TCR five-time chair rise test, SPPB short physical performance battery, 6mWT six-meter walking test