Table 3 Resolution of DKA (from ADA criteria) and the correlation of serum BHB with pH and [HCO₃⁻]

Blood sugar

< 200 mg/dL

Arterial pH^a

> 7.3

Serum bicarbonate (mmol/L) or [HCO₃⁻]^a

> 15

Anion gap (mmol/L) ^a

< 12

BHB (mmol/L)

0.75 (0.62–0.90), p < 0.01

58.6%

100%

BHB corresponding to [HCO₃⁻] (mmol/L)

1.05 (0.22–1.87), p = 0.013

73.7%

100%

BHB corresponding to pH (mmol/L)

4.56 (−11.9–21.0), p = 0.58

100%

76.7%