Table 1.
Differences between subjects exposed or not to corticosteroids, before and after propensity score matching.
| Unmatched |
Matched |
|||||
|---|---|---|---|---|---|---|
| Variable | Not exposed to corticosteroids (n = 1116) |
Exposed to corticosteroids (n = 464) |
p | Not exposed to corticosteroids (n = 464) |
Exposed to corticosteroids (n = 464) |
p |
| Age, years | 67 (54–76) | 74 (63–83) | <0.001 | 74 (64–83) | 74 (63–83) | 0.973 |
| Male sex | 608 (54.5) | 282 (60.7) | 0.021 | 277 (59.7) | 282 (60.7) | 0.737 |
| Charlson index | 0 (0–2) | 1 (0–2) | <0.001 | 1 (0–2) | 1 (0–2) | 0.185 |
| SpO2% | 95 (93–97) | 94 (91–96) | <0.001 | 94 (92–96) | 94 (91–96) | 0.295 |
| CRP* | <0.001 | 0.843 | ||||
| Below-median | 633 (56.7) | 215 (46.3) | 212 (45.7) | 215 (46.3) | ||
| Above-median | 483 (43.3) | 249 (53.7) | 252 (54.3) | 249 (53.7) | ||
| Region (% Galicia) | 689 (61.7) | 325 (70.0) | <0.001 | 323 (69.6) | 325 (70.0) | 0.886 |
Results are expressed as: median (interquartile range) or as number (%). SpO2: arterial oxygen saturation. CRP: c-reactive protein.