Table 3. ROC analysis comparing TUG seconds with the accelerometer features.

	AUC	TPR1	1-FPR1	f1-Score	pr. cut-off	val. cut-off
TUG	0.668	0.64	0.64	0.64	0.61	8.73s
TUG-M	0.647	0.64	0.64	0.64	0.69	8.90s
TUG-C	0.652	0.58	0.67	0.58	0.65	11.31s
TUGs avg	0.683	0.70	0.70	0.70	0.60	10.17s
PSE-c	0.737	0.78	0.67	0.74	0.58	11.26
WPSP-c,2	0.742	0.67	0.67	0.67	0.31	1.4508
WPSP-c,3	0.717	0.67	0.67	0.67	0.32	1.6554
Feats avg	0.744	0.73	0.78	0.74	0.51	4.706
dPSE(s,c)	0.711	0.83	0.61	0.75	0.73	2.970
dPSP(s,c)	0.736	0.67	0.78	0.71	0.66	0.237
dPSPF(t,m)	0.690	0.67	0.67	0.67	0.92	11
dWPSP(m,c)	0.705	0.67	0.61	0.65	0.18	0.211
Dists avg	0.840	0.83	0.83	0.83	0.50	0.5786

OBS: values of TPR and 1-FPR are relative to the cutoff point;

values highlighted in italic are those higher then 0.67