Epidemiology of herpes zoster among adults aged 50 and above in Guangdong, China

Figures & data

Figure 1. Four geographical regions of Guangdong Province.

Table 1. Lifetime prevalence (%) of HZ in different age and gender stratification

	Male			Female			Total
Age group	Cases	Subjects	%	Cases	Subjects	%	Cases	Subjects	%
50 ∼	23	1085	2.12	54	1542	3.50	77	2627	2.93
60 ∼	36	1247	2.89	49	1374	3.57	85	2621	3.24
70 ∼	17	602	2.82	25	627	3.99	42	1229	3.42
80 ∼	16	278	5.76	27	394	6.85	43	672	6.40
Overall	92	3212	2.86	155	3937	3.94	247	7149	3.46

Table 2. Age distribution of the sampled population in different regions

	Age group
Regions	50∼ (%)	60∼ (%)	70∼ (%)	80∼ (%)	Total
Pearl River Delta	677 (35.1)	762 (39.5)	329 (17.1)	159 (8.3)	1927
Eastern Guangdong	603 (36.0)	629 (37.5)	273 (16.3)	172 (10.3)	1677
Western Guangdong	851 (37.6)	762 (33.7)	412 (18.2)	237 (10.5)	2262
Northern Guangdong	496 (38.7)	468 (36.5)	215 (16.8)	104 (8.1)	1283
Overall	2627 (36.7)	2621 (36.7)	1229 (17.2)	672 (9.4)	7149

Table 3. Lifetime prevalence (%) of HZ in different regions

	Male			Female			Total
Regions	Cases	Subjects	(%)	Cases	Subjects	(%)	Cases	Subjects	(%)
Pearl River Delta	30	747	4.02	72	1180	6.10	102	1927	5.29
Eastern Guangdong	23	795	2.89	35	882	3.97	58	1677	3.46
Western Guangdong	33	1055	3.13	30	1207	2.49	63	2262	2.79
Northern Guangdong	6	615	0.98	18	668	2.69	24	1283	1.87
Overall	92	3212	2.86	155	3937	3.94	247	7149	3.46

-Pearl River Delta: Guangzhou, Shenzhen, Dongguan, Foshan, Zhongshan, Zhuhai, Jiangmen

-Eastern Guangdong: Shantou, Chaozhou, Meizhou, Jieyang, Shanwei, Huizhou

-Western Guangdong: Zhanjiang, Maoming, Yangjiang, Yunfu, Zhaoqing

-Northern Guangdong: Shaoguan, Qingyuan, Heyuan

Table 4. Annual incidence of HZ in the year 2011, 2012 and 2013

Year	Cases	Annual incidence (1/1000 person-years)	95% CI (1/1000 person-years)
2011	29	4.1	(2.6,5.6)
2012	24	3.4	(2.1,4.7)
2013^*	34	5.8	(3.8,7.7)
Total	87	4.3	(3.4,5.2)

* From January to October

Table 5. The symptom characters of HZ cases

		No (%)	Yes (%)	Can't remember (%)	Total
Symptom	vesicular rash	7 (8.0)	79 (90.8)	1 (1.1)	87
	erythema	8 (9.2)	77 (88.5)	2 (2.3)	87
	neuralgia	6 (6.9)	80 (92.0)	1 (1.1)	87
Body part	both sides of the body	70 (80.5)	15 (17.2)	2 (2.3)	87
	chest and back	47 (54.0)	40 (46.0)	0 (0)	87
	waist and abdomen	49 (56.3)	38 (43.7)	0 (0)	87
	head and face	77 (88.5)	10 (11.5)	0 (0)	87
	neck	78 (89.7)	9 (10.3)	0 (0)	87
	arms and legs	80 (92.0)	7 (8.0)	0 (0)	87

Table 6. The relation between occurrence of neuralgia and medical consultation

	Have neuralgia
Seen in hospital	<1 month (%)	1–3 month (%)	≥4 month (%)	Have no neuralgia	Can't remember (%)	Total
Yes	33 (50.0)	20 (30.3)	10 (15.2)	2 (3.0)	1 (1.5)	66
No	12 (57.1)	4 (19.0)	1 (4.8)	4 (19.0)	0	21
All	45 (56.3)	24 (30.0)	11 (13.8)	6 (6.9)	1 (1.1)	87

Figure 2. Sampled counties/districts in Guangdong Province.