Table 2.
Total (n = 980) |
Atypical (n = 117) |
Other pathogen (n = 448) |
Unknown (n = 415) |
|
---|---|---|---|---|
Male gender (%) | 561 (57.2) | 77 (65.8) | 250 (55.8) | 234 (56.4) |
Age in years (IQR) | 67 (52–78) | 52 (41.5–67) | 68 (54–78) | 69 (55–80)* |
COPD (%)a | 236 (24.1) | 9 (7.7) | 135 (30.3) | 92 (22.3)* |
Smoking (%)b | 211 (28.6) | 38 (40.4) | 93 (29.3) | 80 (24.5)* |
Nursing home resident (%)c | 29 (3.0) | 0 (0.0) | 8 (1.8) | 21 (5.1)* |
PSI class IV or V (%) | 435 (44.4) | 38 (32.5) | 219 (48.9) | 178 (42.9)* |
30-Day mortality (%) | 67 (6.8) | 6 (5.1) | 33 (7.4) | 28 (6.7) |
Results are given as number (percentage) or median (interquartile range)
Abbreviations: COPD chronic obstructive pulmonary disease, ICU intensive care unit, IQR interquartile range, PSI pneumonia severity index
*Indicates a significant difference between the three groups (p-value <0.05). aIndicates four missing values, bIndicates 243 missing values, cIndicates 10 missing values