Eligibility criteria
Adult patients (≥18 years) with normal renal function (GFR ≥60
mL/min/1.73 m2) who received co-trimoxazole during the
study period and had documented potassium serum levels during follow up,
were included. Patients who received less than two doses of
co-trimoxazole and/or had no potassium follow-up were excluded from the
study.