Table 1

Demographic and clinical description of patients at fulfilment of the questionnaire, n=422

VariableValueNo HZ
n=340
HZ event
n=82
P value
DemographicsSex
F308 (90.6%)78 (95.1%)0.19
M32 (9.4%)4 (4.9%)
Age at SLE diagnosis
Mean±SD31.0±11.429.3±12.00.22
Min, Max8–668–76
Age at first visit to the clinic
Mean±SD35.2±11.633.4±12.80.22
Min, Max16–6814–76
SLE duration at first visit to the clinic
Mean±SD4.2±6.44.2±6.40.94
Min, Max16–680–32
EthnicityBlack72 (21.2%)8 (9.8%)0.03
Caucasian196 (57.6%)60 (73.2%)
Chinese27 (7.9%)8 (9.8%)
Others45 (13.2%)6 (7.3%)
CaucasianYes (%)196 (57.6%)60 (73.2%)0.01
BlackYes (%)72 (21.2%)8 (9.8%)0.02
SLE duration at first HZ eventMean±SDN/A12.5±10.6N/A
HZ eventsAge at first HZ eventMean±SDN/A41.8±15.4N/A
Recurrent HZ infectionYes (%)N/A16 (19.5%)N/A
Years between first and second HZ eventMean±SDN/A8.7±10.4N/A
SDI scoreMean±SD0.2±0.60.2±0.50.52
  • HZ, herpes zoster; SDI, Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index .