Body regions with infections in three periods (1997–1999, 2000–2002 and 2003–2005)
| Region of infection | 2000–2002 vs 1997–1999 OR (99% CI) | 2003–2005 vs 1997–1999 OR (99% CI) | Per cent of total number of infections |
| Head | 1.26 (0.42 to 3.74) | 1.67 (0.61 to 4.56) | 1.6 |
| Neck | 2.02 (0.56 to 7.36) | 3.37 (1.03 to 11.00) | 1.5 |
| Back | 1.79 (0.19 to 16.79) | 1.18 (0.11 to 12.51) | 0.3 |
| Thorax | 1.02 (0.74 to 1.40) | 1.11 (0.82 to 1.50) | 18.0 |
| Abdomen | 1.19 (0.90 to 1.58) | 1.37 (1.06 to 1.79) | 30.0 |
| Pelvis | 0.91 (0.67 to 1.24) | 1.22 (0.92 to 1.60) | 20.0 |
| Arm | 1.46 (0.55 to 3.87) | 1.81 (0.73 to 4.51) | 1.9 |
| Leg | 1.40 (0.84 to 2.34) | 2.33 (1.47 to 3.70) | 8.5 |
| Other/non-specified | 0.98 (0.70 to 1.38) | 1.05 (0.76 to 1.45) | 18.2 |
| All infections | 1.05 (0.89 to 1.25) | 1.32 (1.13 to 1.54) | 100 |