Table 3 Differences in the LFT between 3 and 12 months depending on ICU admission
Variables | All patients | Non ICU | ICU | P |
|---|---|---|---|---|
Spirometry | N = 194 | N = 161 | N = 33 | |
Change in FVC, % of predicted | 7 (5–13) | 7 (0–12) | 8 (2.5–15.5) | 0.14 |
Change in FEV1, % of predicted | 5 (− 1–11) | 5 (− 1–11) | 7 (0.5–13.5) | 0.16 |
Gas difusión | N = 187 | N = 156 | N = 31 | |
Change in DLNO, % of predicted | 5 (− 1–11) | 4 (− 1–11) | 7 (3–11) | 0.02 |
Change in DLCO, % of predicted | 8 (1–14) | 7 (0–12.2) | 11 (6.5–17) | 0.01 |
Change in VA, % of predicted | 10 (3–15) | 10 (6–14) | 13 (8–16.5) | 0.03 |
Change in KNO, % of predicted | − 5 (− 8–1) | − 5 (− 8–2) | − 4 (− 6–1) | 0.13 |
Change in KCO, % of predicted | − 2 (− 6–2) | − 2 (− 6–2) | 0 (− 5–4) | 0.15 |
Change in DMCO, % of predicted | 1 (− 3–10) | 1 (− 4–9) | 6 (0–10.5) | 0.04 |
Change in DMCO/VA, % of predicted | − 6 (− 12–0) | − 6 (− 12–0) | − 5 (− 9–2) | 0.16 |
Change in Vc, % of predicted | 9 (2–16) | 8.5 (2–15) | 9 (4–18) | 0.40 |
Change in Vc/VA, % of predicted | − 1 (− 7–7) | − 1 (− 7–6.5) | − 1 (− 9–7) | 0.98 |
Change in DLNO/DLCO | − 0.13 (− 0.20–0.00) | − 0.13 (− 0.31–0.01) | − 0.14 (− 0.27–0.01) | 0.90 |
Change in DMCO/Vc | − 0.08 (− 0.25–0.07) | − 0.09 (− 0.28–0.07) | − 0.25 (− 0.22–0.09) | 0.42 |
Exercise capacity (6MWT)) | N = 172 | N = 143 | N = 29 | |
Change in walking distance, m | 49.5 (7.2–87.7) | 44 (3–80) | 77 (33–121) | 0.03 |
Difference initial oxygen saturation, % | − 1 (− 1–0) | − 1 (− 1–0) | − 1 (− 1–0) | 0.90 |
Difference final oxygen saturation, % | 0 (− 1.7–1) | − 1 (− 2–1) | 0 (− 1–1) | 0.30 |