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Table 4 The results of instability detection methods in Fall Experiment 1

From: Mobile Robotic Balance Assistant (MRBA): a gait assistive and fall intervention robot for daily living

Methods

NW_SW Detection Rate

NW_C Detection Rate

FE_MS Detection Rate

FE_SL Detection Rate

FE_KB Detection Rate

Sensitivity

Specificity

G-Mean

Force

0.212

0.292

0.645

0.667

0.714

0.675

0.763

0.717

Gyroscope (lateral)

0.615

0.750

0.581

0.471

0.886

0.624

0.342

0.462

Acceleration (anterior–posterior)

0.385

0.500

0.387

0.216

0.343

0.293

0.578

0.416

  1. Detection rate \(= \frac{\text {number of detected trials}}{\text {number of trials}}\)