The incidence rate of corpus uteri cancer among females in Saudi Arabia: an observational descriptive epidemiological analysis of data from Saudi Cancer Registry 2001–2008

Figures & data

Table 1 Segi* (world) standard for making comparisons with an intermediate-age population

Age group, years	Segi (world) standard
0–4	12,000
5–9	10,000
10–14	9,000
15–19	9,000
20–24	8,000
25–29	8,000
30–34	6,000
35–39	6,000
40–44	6,000
45–49	6,000
50–54	5,000
55–59	4,000
60–64	4,000
65–69	3,000
70–74	2,000
75+	2,000
Total	100,000

Note:

* The Segi world standard can be used in a direct method of standardization to calculate the ASIR and ASMR.¹⁴

Abbreviations: ASIR, age-standardized incidence rate; ASMR, age-standardized mortality rate.

Figure 1 Number and percentage of corpus uteri cancer cases in Saudi Arabia from 2001 to 2008 and overall number and percentage of corpus uteri cancer cases, distributed by age group, in Saudi Arabia from 2001 to 2008.

Notes: (A) Number of corpus uteri cancer cases in Saudi Arabia from 2001 to 2008. (B) Percentage of corpus uteri cancer cases in Saudi Arabia from 2001 to 2008. (C) Overall number of corpus uteri cancer cases, distributed by age group, in Saudi Arabia from 2001 to 2008. (D) Overall percentage of corpus uteri cancer cases, distributed by age group, in Saudi Arabia from 2001 to 2008.

Table 2 Corpus uteri cancer cases, distributed by age group, in Saudi Arabia, from 2001 to 2008

Year	Age group of corpus uteri cancer cases
	0–14		15–29		30–44		45–59		60–74		≥75		Total
	No	%	No	%	No	%	No	%	No	%	No	%	Total	% of total
2001	1	1	2	2	10	13	26	33	22	28	17	22	78	2.8
2002	0	0	2	2	8	9	32	37	37	43	8	9	87	3.0
2003	0	0	0	0	17	15	31	28	52	46	12	11	112	3.4
2004	0	0	2	2	16	14	33	28	52	44	14	12	117	3.4
2005	0	0	2	1	19	13	54	38	56	39	12	8	143	3.7
2006	0	0	3	2	17	12	45	32	61	44	13	9	140	3.4
2007	0	0	2	1	20	11	80	42	74	39	13	7	189	4.0
2008	0	0	4	2	16	8	78	40	77	40	19	10	194	4.5
Average	0.1	0.1	2.1	1.5	15	12	47	35	54	40	14	11	132.5	3.5

Figure 2 (A) The CIR of corpus uteri cancer cases among females in Saudi Arabia from 2001 to 2008. (B) Overall CIR of corpus uteri cancer cases, distributed by region, in Saudi Arabia from 2001 to 2008. (C) The ASIR of corpus uteri cancer cases among females in Saudi Arabia from 2001 to 2008. (D) Overall ASIR of corpus uteri cancer cases, distributed by region, in Saudi Arabia from 2001 to 2008.

Abbreviations: ASIR, age-standardized incidence rate; CIR, crude incidence rate.

Table 3 Confidence intervals for the %, CIR, and ASIR of corpus uteri cancer cases in Saudi Arabia, from 2001 to 2008

Year	%		CIR per 100,000 females		ASIR per 100,000 females
	%	95% CI	CIR	95% CI	ASIR	95% CI
2001	2.8	1.9–3.7	1.0	0.7–1.3	2.0	1.2–2.8
2002	3.0	2.1–3.9	1.1	0.8–1.4	2.2	1.1–3.3
2003	3.4	2.0–4.8	1.4	0.9–1.9	2.8	1.6–4.0
2004	3.4	2.4–4.4	1.4	1.0–1.8	2.8	1.9–3.7
2005	3.7	2.5–4.9	1.7	1.3–2.1	3.4	2.5–4.3
2006	3.4	2.6–4.2	1.6	1.2–2.0	3.6	2.9–4.3
2007	4.0	3.1–4.9	2.2	1.7–2.7	4.0	2.9–5.1
2008	4.5	3.5–5.5	2.2	1.8–2.6	4.0	3.2–4.8
Overall	4.0	3.0–4.8	2.0	1.5–2.5	3.0	2.0–3.8

Abbreviations: ASIR, age-standardized incidence rate; CIR, crude incidence rate; CI, confidence interval.

Table 4 Confidence interval for the overall %, CIR, and ASIR of corpus uteri cancer cases in the regions of Saudi Arabia, from 2001 to 2008

Regions	Overall %		Overall CIR per 100,000 females		Overall ASIR per 100,000 females
	%	95% CI	CIR	95% CI	ASIR	95% CI
Asir	3.4	2.3–4.4	1.2	0.8–1.6	2.1	1.4–2.7
Baha	5.0	3.7–6.8	1.8	1.2–2.3	2.7	1.9–3.4
Jazan	1.7	0.3–3.1	0.4	0.1–0.7	0.8	0.3–1.3
Madinah	3.2	2.0–4.3	1.2	0.6–1.9	2.3	1.2–3.5
Hail	3.3	1.5–5.1	1.0	0.4–1.7	1.6	0.7–2.5
Qassim	1.9	1.3–2.5	0.7	0.5–0.9	1.4	0.7–2.1
Riyadh	3.5	3.2–3.9	1.9	1.7–2.2	4.4	3.9–4.9
Makkah	4.1	3.5–4.8	2.0	1.4–2.6	3.7	2.7–4.7
Najran	1.8	0.6–2.9	0.5	0.1–0.9	1.0	0.3–1.8
Jouf	3.5	1.1–5.9	1.3	0.4–2.1	2.8	0.7–4.8
Tabuk	3.7	2.3–5.0	1.4	0.8–1.4	3.6	2.1–5.0
Eastern region	3.4	2.8–3.9	1.8	1.3–2.2	4.2	3.4–5.0
Northern region	4.0	2.5–5.5	1.3	0.8–1.8	3.4	2.0–4.8

Abbreviations: ASIR, age-standardized incidence rate; CIR, crude incidence rate; CI, confidence interval.

Table 5 Poisson regression model calculation of the IRR

Regions		IRR	P-value	95% CI
1.	Asir	3.6	0.001*	1.9–6.6
2.	Baha	1.4	0.23	0.8–2.0
3.	Jazan	1 Reference
4.	Madinah	3.5	0.001*	1.9–6.5
5.	Hail	1.1	0.3	0.6–2.2
6.	Qassim	1.3	0.38	0.7–2.5
7.	Riyadh	16	0.001*	9.0–22.0
8.	Makkah	16.5	0.001*	8.0–23.0
9.	Najran	0.4	0.06	0.2–0.9
10.	Jouf	0.9	0.76	0.4–1.9
11.	Tabuk	1.7	0.09	0.9–3.3
12.	Eastern region	9.9	0.001*	5.6–17.6
13.	Northern region	0.8	0.06	0.4–1.6

Notes: The Poisson regression model was used to verify whether there was an effect due to geographical area and year of diagnosis.

* Significant.

Abbreviations: CI, confidence interval; IRR, incidence rate ratio.

Table 6 The differences in the %, CIR, and ASIR of corpus uteri cancer cases in the regions of Saudi Arabia, between 2001 and 2008

Regions	%				CIR per 100,000 females				ASIR per 100,000 females
	2008	2001	Difference	P-value	2008	2001	Difference	P-value	2008	2001	Difference	P-value
Asir	3.8	1.0	2.8	0.20	1.6	0.3	1.3	0.34	2.4	0.4	2.0	0.23
Baha	5.9	2.5	3.4	0.24	2.2	0.4	1.8	0.26	3.0	0.8	2.2	0.25
Jazan	5.4	0.8	4.6	0.06	1.5	0.2	1.3	0.31	2.8	0.3	2.5	0.13
Madinah	4.0	2.2	1.8	0.48	1.8	0.6	1.2	0.44	3.0	1.5	1.5	0.48
Hail	7.8	3.4	4.4	0.19	2.8	0.8	1.0	0.61	3.8	1.5	2.3	0.07
Qassim	1.6	1.4	0.2	0.91	0.7	0.7	0.0	1.0	1.1	1.0	0.1	0.49
Riyadh	3.4	2.9	0.5	0.84	2.1	1.5	0.6	0.75	4.3	3.7	0.6	0.83
Makkah	5.2	4.4	0.8	0.81	2.9	1.4	1.5	0.47	5.2	2.7	2.6	0.35
Najran	4.5	0.0	4.5	0.06	1.5	0.0	1.5	0.21	2.7	0.0	2.7	0.10
Jouf	1.6	0.0	1.6	0.21	0.6	0.0	0.6	0.44	1.1	0.0	1.1	0.27
Tabuk	4.7	1.2	3.5	0.14	1.9	0.4	1.5	0.31	3.6	1.5	1.8	0.42
Eastern region	4.0	3.2	0.8	0.77	2.4	1.4	1.0	0.61	5.4	3.5	1.9	0.52
Northern region	3.7	0.0	3.7	0.05*	1.5	0.0	1.5	0.21	5.1	0.0	5.1	0.02*

Note:

* Significant.

Abbreviations: ASIR, age-standardized incidence rate; CIR, crude incidence rate.

SegiMCancer mortality for selected sites in 24 countries (1950–57)Department of Public Health, Tohoku University of MedicineSendai, Japan1960

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