Table 3 Comparisons of Time-to-Awaken and Time-to-Escape Between Types of Alarms
Time to Awaken | Time to Escape | |||
|---|---|---|---|---|
Alarm Signal Comparison | Wilcoxon’s P-Value | HR (95% CI)* | Wilcoxon’s P-Value | HR (95% CI)* |
Overall | ||||
Equality of Alarm Signals | < 0.001 | < 0.001 | ||
Pairwise Comparison | ||||
‘Female voice’ vs ‘High-frequency tone’ | <.001 | 1.40 (1.11–1.77) | <.001 | 1.83 (1.45–2.31) |
‘Male voice’ vs ‘High-frequency tone’ | <.001 | 1.33 (1.06–1.68) | <.001 | 1.71 (1.36–2.15) |
‘Low frequency tone’ vs ‘High-frequency tone’ | <.001 | 1.50 (1.19–1.89) | <.001 | 1.42 (1.13–1.78) |
‘Female voice’ vs ‘Male voice’ | 0.346 | 1.05 (0.84–1.32) | 0.7946 | 1.07 (0.85–1.35) |
‘Female voice’ vs ‘Low frequency tone’ | 0.340 | 0.93 (0.74–1.17) | 0.0272 | 1.30 (1.03–1.63) |
‘Male voice’ vs ‘Low frequency tone’ | 0.058 | 0.89 (0.71–1.11) | 0.052 | 1.21 (0.96–1.52) |