Table 2.

Anatomic site of infections (n = 115) and isolated microorganisms in 103 patients with systemic lupus erythematosus

Anatomic site of infections (total number)	Microorganism
Skin and mucosa (33)	Herpes zoster (18), Staphylococcus aureus (1), Candida albicans (2), unidentified (12)
Lower respiratory tract (25)	S. aureus (2), Klebsiella pneumoniae (1), Haemophilus influenzae (1), Respiratory syncytial virus (1), unidentified (20)
Upper respiratory tract (16)	Herpes simplex (2), Aspergillus fumigatus (1), unidentified (13)
Genital (13)	Chlamydia trachomatis (3), C. albicans (3), Trichomonas vaginalis (1), Gardnerella vaginalis (1), Human papillomavirus (1), Bacteroides fragilis (1), unidentified (3)
Gastrointestinal tract (10)	Salmonella typhi (3), Campylobacter jejuni (2), C. albicans (2), unidentified (3)
Systemic (8)	S. aureus (5), Streptococcus group A (1), Cytomegalovirus and C. albicans (1), unidentified (1)
Musculoskeletal (4)	Osteomyelitis by S. aureus (1), septic arthritis of knee prosthesis by S. aureus (1), osteomyelitis by unidentified microorganism (2)
Upper urinary tract (3)	Unidentified (3)
Other (3)	Pasteurella (axillary abscess), Streptococcus group A (axillary and cervical abscess), unidentified (post-operative abdominal abscess)

Microorganisms were isolated in 57 (50%) of the 115 infections.