Diabetes OR (95% CI) | No diabetes OR (95% CI) | Total OR (95% CI) | |
---|---|---|---|
Age, years | |||
40–64 | 1 | 1 | 1 |
65–74 | 1.47 (1.38 to 1.57) | 1.47 (1.42 to 1.51) | 1.46 (1.42 to 1.50) |
75–84 | 2.70 (2.55 to 2.87) | 2.49 (2.42 to 2.55) | 2.53 (2.47 to 2.59) |
≥85 | 4.75 (4.47 to 5.05) | 4.52 (4.40 to 4.64) | 4.55 (4.44 to 4.66) |
CCI | |||
0 | 1 | 1 | 1 |
1 | 1.35 (1.30 to 1.39) | 1.28 (1.26 to 1.31) | 1.30 (1.28 to 1.32) |
≥2 | 1.50 (1.44 to 1.56) | 1.44 (1.41 to 1.47) | 1.46 (1.43 to 1.48) |
Obesity | 0.51 (0.48 to 0.54) | 0.50 (0.47 to 0.52) | 0.50 (0.48 to 0.52) |
Non-invasive MV | 2.04 (1.89 to 2.21) | 2.01 (1.92 to 2.11) | 2.02 (1.94 to 2.10) |
Invasive MV | 11.53 (10.68 to 12.45) | 12.55 (12.06 to 13.06) | 12.34 (11.91 to 12.78) |
Red cell transfusion | 1.14 (1.07 to 1.21) | 1.35 (1.31 to 1.40) | 1.30 (1.26 to 1.34) |
Readmission | 1.91 (1.85 to 1.97) | 1.85 (1.82 to 1.89) | 1.87 (1.84 to 1.90) |
CAT | 0.54 (0.51 to 0.57) | 0.53 (0.51 to 0.55) | 0.53 (0.52 to 0.55) |
Thoracocentesis | 0.82 (0.73 to 0.93) | 0.86 (0.80 to 0.91) | 0.85(0.80 to 0.90) |
Bronchial fibroscopy | 0.75 (0.67 to 0.83) | 0.71 (0.67 to 0.75) | 0.72 (0.68 to 0.75) |
Streptococcus pneumoniae* | 0.54 (0.52 to 0.57) | 0.52 (0.51 to 0.53) | 0.52 (0.51 to 0.54) |
Legionella* | 0.43 (0.34 to 0.53) | 0.38 (0.34 to 0.42) | 0.39 (0.35 to 0.43) |
Staphylococcus aureus* | 1.22 (1.04 to 1.42) | 1.26 (1.16 to 1.37) | 1.25 (1.16 to 1.35) |
Haemophilus influenzae* | 0.22 (0.15 to 0.32) | 0.26 (0.21 to 0.31) | 0.25 (0.21 to 0.29) |
Year | 0.97 (0.96 to 0.99) | 0.97 (0.96 to 0.98) | 0.97 (0.96 to 0.98) |
Diabetes | − | 0.92 (0.91 to 0.94) |
*The pathogen ORs are all relative to the baseline of ‘no pathogen identified’.
CAT, computerised axial tomography of thorax; CCI, Charlson Comorbidity Index; MV, mechanical ventilation.