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Table 3 Adjusted odds ratio in a model for recognition of OHCA by call handlers using key indicator symptoms

From: Predictors of recognition of out of hospital cardiac arrest by emergency medical services call handlers in England: a mixed methods diagnostic accuracy study

Key indicator symptom and demographic: OR 95%CI Lower Upper p-value
Breathing Yes/Effective 0.29 0.13 0.65 0.003
Not Breathing 3.76 1.69 8.41 0.001
Abnormal Pulse/Heart Rate 0.26 0.03 2.01 0.197
Reduced or Fluctuating Consciousness Level 0.24 0.09 0.63 0.003
Female 0.40 0.17 0.91 0.029
Age 65 and over 1.78 0.80 3.95 0.157