Open circles represent values before IPW adjustment, and closed circles represent values after IPW adjustment.
AF indicates atrial fibrillation; DCC, direct current cardioversion; poss, possible; def, definite; DX, diagnosis; Dz, disease; CV, cardiovascular; IHD, ischemic heart disease; IPW, inverse propensity weighted; Hx, history; arrhy, arrhythmia; RF, rheumatic fever; RHD, rheumatic heart disease; rheum, rheumatic.