Fig. 2
From: Cardiac arrest in the toilet: clinical characteristics and resuscitation profiles
a The 101 patients who sustained cardiac arrest (CA) in the toilet were stratified into four seasonal quartiles (x-axis). The number of CA in each quartile was 27, 22, 25, and 27, respectively. b The 101 patients were stratified into four 6-h quartiles (x-axis) depending on the time that the patient sustaining the CA was discovered. The number of CA in each quartile was 17, 30, 27, and 2, respectively