Table 4.

Incidence and Concentration of Herpes Zoster (HZ) Among Patients With and Without Recent Care For Cancer, HIV Infection, or Transplantation^*

Patient Group	Person-Years	Cases	Rate per 1,000 Person-Years† (95% CI)	% of HZ Patients†
All ages
Cancer, HIV, or transplantation	82,847	865	10.3 (9.7, 11.0)	8.7
No cancer, HIV, or transplantation	2,331,550	8,287	3.0 (2.9, 3.0)	91.3
Overall	2,414,397	9,152	3.2 (3.1, 3.2)	100.0
Age 0 to 49
Cancer, HIV, or transplantation	20,001	127	6.2 (5.2, 7.4)	4.3
No cancer, HIV, or transplantation	1,440,531	2,610	1.7 (1.6, 1.8)	95.7
Overall	1,460,532	2,737	1.7 (1.7, 1.8)	100.0
Age ≥50
Cancer, HIV, or transplantation	62,845	738	12.2 (11.4, 13.1)	11.7
No cancer, HIV, or transplantation	891,020	5,677	6.6 (6.5, 6.8)	88.3
Overall	953,865	6,415	7.0 (6.8, 7.2)	100.0

^*As measured by the presence or absence of a diagnosis, procedure, or drug code for cancer, HIV infection, or transplantation (solid organ, bone marrow, or stem cell) during the 180 days prior to a physician diagnosis of herpes zoster.

^†Overall rates and percentages age- and sex-adjusted to the 2000 U.S. population.