No prednisolone +low CRP | No prednisolone +high CRP | Prednisolone treatment +low CRP | Prednisolone treatment +high CRP | |
No of patients (N) | 64 | 310 | 42 | 288 |
All-cause mortality at 30 days, n (%) | 4 (6.3) | 41 (13.2) | 1 (2.4) | 43 (14.9) |
Crude HR for 30-day mortality | 1 (ref) | 2.20 (0.78 to 6.13) | 0.38 (0.04 to 3.37) | 2.48 (0.89 to 6.91) |
Adjusted HR for 30-day mortality | 1 (ref) | 2.08 (0.74 to 5.81) | 0.36 (0.04 to 3.23) | 2.11 (0.76 to 5.88) |
All-cause mortality at 90 days, n (%) | 5 (7.8) | 56 (18.1) | 1 (2.4) | 74 (25.7) |
Crude HR for 90-day mortality | 1 (ref) | 2.46 (0.98 to 6.14) | 0.29 (0.03 to 2.55) | 3.57 (1.44 to 8.83) |
Adjusted HR for 90-day mortality | 1 (ref) | 2.35 (0.94 to 5.87) | 0.29 (0.03 to 2.52) | 3.09 (1.25 to 7.65) |
Data are presented as HRs with 95% CIs for all-cause mortality.
Treatment with prednisolone 0â3 months prior to admission. CRP levels were measured 30â90 days prior to pneumonia admission with a value of 8âmg/L used as a division between low and high CRP levels.
Adjusted for sex, age, level of comorbidity, alcoholism and antibiotic use before admission.
CRP, C reactive protein.