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Table 2 Non-Invasive-Ventilation (NIV +) in groups of patients according to ABG analysis values

From: Acid–base balance, serum electrolytes and need for non-invasive ventilation in patients with hypercapnic acute exacerbation of chronic obstructive pulmonary disease admitted to an internal medicine ward

 

Mixed respiratory acidosis – metabolic alkalosis (N = 36)

Compensated respiratory acidosis (N = 51)

Mixed respiratory - metabolic acidosis (N = 23)

NIV -

75 % (27)

53 % (27)

4 % (1)

NIV +

25 % (9)

47 % (24)

96 % (22)

  1. χ 2 < 0.001