Table 3 Changes in arterial blood gases during follow-up in studied patients
From: Role of long-term oxygen therapy in interstitial lung diseases
Parameters | Baseline | 1st month | 3rd month | 6th month | One year | P value |
|---|---|---|---|---|---|---|
pH | 7.44 ± 0.05 | 7.45 ± 0.04 | 7.44 ± 0.03 | 7.44 ± 0.05 | 7.45 ± 0.09 | 0.25 |
PCO2 | 49.18 ± 7.69 | 48.54 ± 7.44 | 47.78 ± 13.21 | 47.64 ± 9.47 | 46.07 ± 10.13 | 0.02 |
PaO2 | 36.92 ± 9.05 | 42.65 ± 6.67 | 45.92 ± 4.95 | 49.05 ± 4.61 | 50.77 ± 4.82 | < 0.001 |
SO2 | 70.20 ± 12.07 | 77.53 ± 8.51 | 79.08 ± 7.03 | 81.60 ± 6.05 | 83.74 ± 6.33 | < 0.001 |
HCO3 | 32.62 ± 7.51 | 32.10 ± 6.32 | 33.54 ± 5.22 | 34.45 ± 4.77 | 35.20 ± 4.39 | < 0.001 |