Table 4.

Results of the test using the DS-2 with both 50 and 100 Hz sets of thresholds.

Sensitivity Levels	High		Medium		Low
Amount of data	44.67 h
Number of falls	272
$S_{rate}$ (Hz)	100	50	100	50	100	50
True Positives	259	243	228	236	231	220
False Alarms	24	16	6	5	6	1
Sensitivity %	95.2	89.3	83.8	85.6	84.9	80.9
Precision %	91.5	93.8	97.5	97.5	97.5	99.5
F-score %	93.3	91.5	90.1	91.8	90.8	89.3
FA per day	8.9	5.9	2.1	1.9	2.1	0.4