Table 2

Incidence of serious infections by LN status

SLE only
n=86
LN
n=87
Number of serious infections per person
 081 (94.2%)79 (90.8%)
 14 (4.7%)6 (6.9%)
 21 (1.2%)2 (2.3%)
First serious infection5 (5.8%)8 (9.2%)
Infection site (n=13)
 Cystitis0 (0%)1 (13%)
 Cellulitis0 (0%)2 (25%)
 Gastroenteritis0 (0%)2 (25%)
 Mucositis0 (0%)1 (13%)
 Pelvic inflammatory disease1 (20%)0 (0%)
 Pneumonia3 (60%)1 (13%)
 Psoas abscess1 (20%)0 (0%)
 Pyelonephritis0 (0%)1 (13%)
Infection type (n=13)
 Bacterial4 (80%)3 (38%)
 Viral0 (0%)3 (38%)
 Mycobacterial1 (20%)0 (0%)
 Unknown0 (0%)2 (25%)
Identified pathogen (n=13)
 HSV10 (0%)1 (13%)
 Herpes zoster0 (0%)1 (13%)
Clostridium difficile0 (0%)1 (13%)
Mycobacterium tuberculosis complex1 (20%)0 (0%)
Neisseria gonorrhoeae1 (20%)0 (0%)
 Norovirus0 (0%)1 (13%)
Stenotrophomonas maltophilia1 (20%)0 (0%)
Streptococcus pneumoniae1 (20%)0 (0%)
Streptococcus pyogenes1 (20%)0 (0%)
 Unknown0 (0%)2 (25%)
 No growth0 (0%)2 (25%)
Second serious infection1 (1.2%)2 (2.3%)
Infection site (n=3)
 Peritonitis0 (0%)1 (50%)
 Pneumonia0 (0%)1 (50%)
 Septic arthritis1 (100%)0 (0%)
Infection type (n=3)
 Bacterial1 (100%)2 (100%)
Identified pathogen (n=3)
Pseudomonas aeruginosa1 (100%)0 (0%)
Staphylococcus epidermidis0 (0%)1 (50%)
Streptococcus pneumoniae0 (0%)1 (50%)
  • Data are presented as n (%).

  • HSV1, herpes simplex virus 1; LN, lupus nephritis.