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Table 4 Hyperkalemia retesting

From: Epidemiology and health outcomes associated with hyperkalemia in a primary care setting in England

 

Overall (N = 194,035)

Serum K+ level during index HK event, mmol/L

5.0 to ≤ 5.5 (n = 177,945)a

> 5.5 to ≤ 6.0 (n = 14,020)

> 6.0 (n = 2070)b

Patients who had retest within 14 days, n (%)

11,342 (5.8)

6922 (3.9)

3276 (23.4)

1144 (55.3)

 Patients with HK after retest

3632 (32.0)

2045 (29.5)

1166 (35.6)

421 (36.8)

  5.0 to ≤ 5.5 mmol/La

1782 (87.1)

876 (75.1)

242 (57.5)

   > 5.5 to ≤ 6.0 mmol/L

228 (11.1)

249 (21.4)

98 (23.3)

   > 6.0 mmol/Lb

35 (1.7)

41 (3.5)

81 (19.2)

  1. aOr Clinical Practice Research Datalink diagnosis code in the absence of laboratory results
  2. bOr Hospital Episode Statistics diagnosis code, regardless of serum K+ level
  3. HK hyperkalemia, K+ potassium