Table 2

 Detection of atrial fibrillation on limb lead electrocardiogram

Reference standard
Atrial fibrillationNot atrial fibrillationTotal
General practitioner
Atrial fibrillation104156260
Not atrial fibrillation2211941216
Uncertain088
Total12613581484
Primary care nurse
Atrial fibrillation85220305
Not atrial fibrillation3110951126
Uncertain21214
Total11813271445