Table 3.
Anatomic Locations of Infections Caused by MRSA and MSSA
| MRSA (n = 49) | N (%) |
|---|---|
| Knee | 15 (30.6%) |
| Hip/pelvisa | 9 (18.4%) |
| Multifocal | 8 (16.3%) |
| Ankle | 3 (6.1%) |
| Thigh | 2 (4.1%) |
| Leg | 2 (4.1%) |
| Hand | 2 (4.1%) |
| Shoulder | 2 (4.1%) |
| Wrist | 1 (2.0%) |
| Forearm | 1 (2.0%) |
| Elbow | 1 (2.0%) |
| Spine | 1 (2.0%) |
| Arm | 1 (2.0%) |
| Foot | 1 (2.0%) |
| Total | 49 (100%) |
| MSSA (n = 42) | N (%) |
|---|---|
| Hip/pelvis | 17 (40.5%) |
| Multifocal | 8 (19.0%) |
| Knee | 5 (11.9%) |
| Leg | 4 (9.5%) |
| Thigh | 3 (7.1%) |
| Foot | 3 (7.1%) |
| Arm | 1 (2.4%) |
| Shoulder | 1 (2.4%) |
| Total | 42 (100%) |
Abbreviations: MRSA, methicillin-resistant Staphylococcus aureus; MSSA, methicillin-susceptible S aureus.
Definitions: Hip and pelvis defined as sacroiliac joint, pelvis, hip joint, proximal 1/3rd femur, thigh–middle 1/3rd femur, knee–distal 1/3rd femur, knee joint, proximal 1/3rd tibia, leg–middle 1/3rd tibia, ankle–distal 1/3rd tibia, ankle joint, hindfoot, foot–mid and forefoot, shoulder–shoulder girdle, shoulder joint, proximal 1/3rd humerus, arm–middle 1/3rd humerus, elbow–distal 1/3rd humerus, elbow joint, proximal 1/3rd radius/ulna, forearm–middle 1/3rd of radius/ulna, wrist–distal 1/3rd radius/ulna, wrist joint, carpus, hand–metacarpals and phalanges. Anatomic sites include surrounding muscle and soft tissue.