Table 1 Patient characteristics
ItemCurrent smokersFormer smokersNever smokersp Value
N1269
Mean (SD) age (years)49.9 (12.8)70.9 (14.6)67.0 (14.6)0.002
Sex (M/F)7/54/25/4NS
Mean (SD) CRB-650.3 (0.5)1.2 (0.4)1.1 (0.6)0.004
Mortality000
  • p values were calculated using one-way ANOVA.

  • CRB-65, severity score for community acquired pneumonia; NS, not significant.