Hospitalisation outcomes of serious infection-related hospitalisation among young adults with SLE compared with adults with SLE and young adults without SLE, defined as YA: young adults (18–24), adults (25–44); National Inpatient Sample, 2000–2019
| Infection-related hospitalisation | YA-SLE | Adults with SLE | YA-no SLE | P value | P value |
| N (%) | 10 951 (15.0) | 69 929 (14.51) | 826 676 (4.23) | YA-SLE vs adults with SLE | YA-SLE vs YA-no SLE |
| Hospitalisation outcomes | |||||
| LOS: mean (SEM); median, days | 6.2 (0.2) | 6.1 (0.1) | 4.5 (0.03) | 0.55 | <0.001 |
| LOS >3 days (%) | 55.7 | 56.4 | 38.6 | 0.54 | <0.001 |
| Total cost: $, mean (SEM); median, $ | 15 280 (577) | 14 387 (251) | 10 532 (93) | 0.13 | <0.001 |
| Discharge destination (%) | |||||
| Routine (home) | 79.5 | 73.3 | 82.4 | <0.001 | 0.0001 |
| Non-routine | 18.7 | 24.1 | 16.6 | ||
| Missing | 1.8 | 2.6 | 1 | ||
| Inpatient mortality (%) | 1.8 | 2.5 | 0.9 | 0.03 | 0.003 |
LOS, length of stay.