A Novel Short-Time Fourier Transform-Based Fall Detection Algorithm Using 3-Axis Accelerations

Table 1

Comparison of sensitivity and specificity according to different frequency components.

	Frequency components
	1 Hz	2 Hz	3 Hz	4 Hz	5 Hz
Sensitivity (%)	54.1	61.5	79.7	96.9	65.8
Specificity (%)	100	100	100	97.1	83.9