Table 2. Reasons for perceived difference in risk of missed ACS between out-of-hours GP service and day-time practice (n = 162)
ReasonHigher risk of missed ACS in out-of-hours GP setting, (n = 70), n (%)Lower risk of missed ACS in out-of-hours GP setting, (n = 92), n (%)
Unfamiliarity with patient, past medical history, context49 (70.0)18 (19.6)
Defensive stance and triage policy at out-of-office facility3 (4.3)54 (58.7)
Less experienced GPs at out-of-office facility3 (4.3)0 (0.0)
Higher a priori chance of ACS9 (12.9)7 (7.6)
Easy access to emergency department or hospital1 (1.4)9 (9.8)
Time pressure at out-of-office facility2 (2.9)0 (0.0)
Availability of electrocardiogram3 (4.3)1 (1.1)
No opportunity for follow-up0 (0.0)3 (3.3)
  • ACS = acute coronary syndrome.