Supplemental Figure 3
134 subjects contacted (9/21/16 to 6/8/18)
7 unreachable (5%)
127 subjects consentable (83%)
77 informed consent obtained on day of anesthesia (57%) 62 subjects gave affirmative
telephone consent (49%)
49 subjects unsure but allowed further discussion on day of anesthesia (39%)
49 subjects affirmative consent on day of anesthesia (79%)
21 not consented on day of anesthesia (43%) -11 logistical issues -10 family declined 13 not consented on day
of anesthesia (21%) -12 logistical issues -1 family declined
28 subjects affirmative consent day of anesthesia (57%)
16 declined (13%)
9 not recorded -5 subject related -4 device related 68 patients recorded (51%)
14 excluded from further analysis (10%) -9 in training set (1 ok) -5 unreadable
54 included in study (40%)
