Disparities in the increases of cervical cancer incidence rates: observations from a city-wide population-based study

Table 1 Incidence cases of cervical cancer in Guangzhou, 2004–2018

Characteristics	2004–2008		2009–2013		2014–2018		Total
Characteristics	N	%	N	%	N	%	N	%
Basis of diagnosis
Histology	2027	92.14	2477	92.150	3010	92.56	7514	92.31
Death Certificate Only	10	0.45	9	0.335	8	0.25	27	0.33
Endoscopy and Radiology	64	2.91	81	3.013	80	2.46	225	2.76
History and Physical exam	44	2.00	45	1.674	63	1.94	152	1.87
Surgery and Autopsy (no history)	8	0.36	17	0.632	11	0.34	36	0.44
Other	47	2.14	59	2.195	80	2.46	186	2.29
Mean(SD) = 50.74(12.18)	47.10(12.02)		50.42(11.37)		53.48(12.27)		50.74(12.18)
Median (IQ) = 50(42:58)	45(39:53)		49(42:57)		53(45–61)		50(42–58)
District
Urban	875	43.15	1075	40.02	1254	38.60	3204	40.24
Suburban	846	41.72	1103	41.06	1330	40.94	3279	41.18
County	307	15.14	508	18.91	665	20.47	1480	18.59
Age group
20–34	265	12.05	149	5.54	173	5.32	587	7.21
35–49	1134	51.55	1244	46.28	1093	33.61	3471	42.64
50–64	599	27.23	982	36.53	1413	43.39	2994	36.78
65–74	122	5.55	221	8.22	385	11.81	728	8.94
75 +	80	3.64	92	3.42	188	5.78	360	4.42
Histological type
Squamous cell carcinoma	1620	79.92	1945	72.359	2333	71.74	5898	78.49
Adenocarcinoma	231	11.40	345	12.835	466	14.33	1042	13.87
Unspecified and other	176	8.68	187	6.957	211	6.49	574	7.64

ISSN: 1471-2407