Table 3.

Fall detection system comparison.

System	Sensitivity (%)	Accuracy (%)	Specificity (%)	Estimated Cost	Cpu
[30]	96.6–100	86.3–94.1	72.2–86.4	900	Intel® Core™ i5 2.6 GHz
[33]	98.55–100		95.84–97.25	1300	Intel® Core™ i7 3.4 GHz
[34]		79.6–85.4		∼400	Cortex™  -A9 + FPGAs
[17]	71–100	94	73		Several
Fallert	96	97.6	96.9	91	Cortex™  -A7 900 MHz