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Table 2 Arterial blood gas analysis, 2,3-DPG level and SpO 2 between two groups

From: Increased blood glycohemoglobin A1c levels lead to overestimation of arterial oxygen saturation by pulse oximetry in patients with type 2 diabetes

Variables

HbA1c≤7% (n=147)

HbA1c>7% (n=114)

P Value

2, 3-DPG(μmo1/gHb)

13.9±1.7

14.2±1.7

0.09

pH

7.37±0.05

7.39±0.05

0.01

PCO2 (Kpa)

5.48±0.73

5.53±0.65

0.565

Carboxyhemoglobin (%)

1.08±0.81

1.09±0.78

0.92

PO2 (Kpa)

10.0±1.9

10.0±2.2

0.843

SaO2 (%)

95.1±2.8

96.2±2.9

0.002

SpO2 (%)

95.3±2.8

98.0±2.6

0.001

  1. Data are mean ± SD.
  2. Abbreviation: 2,3-DPG, 2, 3-diphosphosglycerate.
  3. PCO2, partial pressure of carbon dioxide.
  4. PO2, partial pressure of oxygen; SaO2, arterial oxygen saturation.
  5. SpO2, pulse oximeter oxygen saturation.
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Cardiovascular Diabetology

ISSN: 1475-2840