Table 2

Use of antibiotics in cases and controls

ColonRectumOverall
Cases (%)Controls (%)Cases (%)Controls (%)Cases (%)Controls (%)
Any antibiotic use14 064 (71.3)64 253 (69.1)6214 (67.1)29 609 (67.2)20 278 (70.0)93 862 (68.5)
 Anti-anaerobic activity*13 467 (68.3)61 309 (65.9)5932 (64.1)28 304 (64.2)19 399 (66.9)89 613 (65.4)
 Anti-aerobic activity*5419 (27.5)24 537 (26.4)2130 (23.0)10 687 (24.2)7549 (26.0)35 224 (25.7)
 Class*
  Cephalosporins3753 (26.4)16 598 (25.5)1454 (23.1)7133 (23.8)5207 (25.4)23 731 (25.0)
  Macrolides4429 (31.1)20 027 (30.8)1779 (28.3)8867 (29.6)6208 (30.3)28 894 (30.4)
  Penicillins11 554 (81.2)52 423 (80.7)5087 (81.0)24 103 (80.4)16 641 (81.2)76 526 (80.6)
  Quinolones2148 (15.1)9370 (14.4)829 (13.2)4226 (14.1)2977 (14.5)13 596 (14.3)
  Sulpha and trimethoprim4227 (29.7)19 389 (29.8)1638 (26.1)8174 (27.2)5865 (28.6)27 563 (29.0)
  Tetracyclines2953 (20.8)13 226 (20.3)1166 (18.6)6084 (20.3)4119 (20.1)19 310 (20.3)
  Others1689 (11.9)7566 (11.6)637 (10.1)3102 (10.3)2326 (11.3)10 668 (11.2)
  • *The percentage of respective antibiotic type/class among antibiotic users.