Table 2 Patients’ respiratory support and outcomes in the unmatched and matched cohorts
Unmatched analysis | Matched analysis | |||||||
|---|---|---|---|---|---|---|---|---|
General population (N = 81.813) | Migrants (n = 463) | SMD | General population (n = 1.790) | Migrants (n = 421) | SMD | p | Odds ratio or beta parameter (CI 95%) | |
Respiratory support (n, % or weighteda %) | ||||||||
ARDS | 32.609 (39.9) | 211 (45.6) | 0.1157 | 734 (41.6) | 198 (47) | 0.1102 | 0.01 | 1.25 (1.06–1.48) |
High flow oxygen | 31.019 (37.9) | 160 (34.6) | 0.0699 | 625 (35.1) | 150 (35.6) | 0.0115 | 0.46 | 0.99 (0.86–1.09) |
NIV | 25.290 (30.9) | 105 (22.7) | 0.1867 | 521 (29.6) | 95 (22.6) | 0.1608 | 0.0002 | 0.69 (0.57–0.84) |
Invasive MV | 31.669 (38.7) | 187 (40.4) | 0.0344 | 624 (35.7) | 168 (39.9) | 0.0866 | 0.04 | 1.20 (1.01–1.42) |
ECMO/ECCO2R | 1.503 (1.8) | 11 (2.4) | 0.0375 | 43 (2.7) | 11 (2.6) | 0.0078 | 0.85 | 0.95 (0.57–1.6) |
Outcomes [median [IQR] or n (%)] | ||||||||
Invasive MV, days | 14 [7–28] | 15 [8–29] | 0.0331 | 14 [7–27] | 15 [8–29] | 0.0097 | 0.47 | 1.06 (0.90–1.22) |
ICU stay, days | 8 [4–18] | 8 [4–16] | 0.0414 | 8 [4–16] | 8[4–16] | 0.0169 | 0.42 | 0.97 (0.88–1.04) |
Hospital stay, days | 16 [9–29] | 14 [8–27] | 0.0013 | 14 [9–25] | 14 [8–26] | 0.0875 | 0.57 | 0.98 (0.91–1.05) |
ICU mortality | 19.263 (23.6) | 63 (13.6) | 0.2577 | 258 (14.3) | 56 (13.3) | 0.029 | 0.50 | 0.919 (0.72–1.17) |
Hospital mortality | 22.088 (27) | 68 (14.7) | 0.3066 | 278 (15.7) | 61 (14.5) | 0.035 | 0.42 | 0.91 (0.72–1.15) |