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Table 5 Percentage of patients with hypokalaemia in the various perioperative phases

From: Perioperative intravenous fluid prescribing: a multi-centre audit

Pre-operative value

Postoperative day 1

Postoperative day 2

Postoperative day 3

1.5 %

4 %

6 %

10 %

  1. Percentage of patients (who had serum potassium measured) with a serum potassium less than 3.5 mmol.l−1 at the various perioperative stages