Characteristics | M. pneumoniae | S. pneumoniae | p value |
---|---|---|---|
Number | 64 | 68 | Â |
Mean age (range), years | 36.6 (18–69) | 61.8 (19–86) | <0.0001 |
Male: Female | 34: 30 | 42: 26 | 0.3791 |
Co-morbid illness | 15 (23) | 33 (48) | <0.0001 |
PSI risk classes** | Â | Â | Â |
   I – III | 41 (64) | 29 (43) | 0.0154 |
   IV | 23 (36) | 39 (57) |  |
   V | 0 | 0 |  |
WBC mean (/μL) | 7,400 | 13,800 | <0.0001 |