Table 1

Demographic features of 122 cases and 122 controls

No. with complete data CasesControlsp value1-151
No. (%)No. (%)
Male24468 (56)59 (48)0.32
Admitted from nursing/residential home24432 (26)7 (6)<0.01*
Prior antibiotics24438 (31)32 (26)0.09
Comorbid conditions:
 Cancer24318 (15)4 (3)0.068
 Congestive cardiac failure24411 (9)6 (5)0.97
 COPD24414 (11)8 (7)0.99
 CVA/TIA24413 (11)8 (7)0.69
 Ischaemic heart disease24426 (21)10 (8.2)0.13
 None24420 (16)47 (39)0.39
  • COPD = chronic obstructive pulmonary disease: CVA = cerebrovascular accident; TIA = transient ischaemic attack. *p<0.05;

  • 1-151 p value adjusted for age.