Cancer Incidence Trends

Invasive Cancer Incidence Trends
Allegan County Health Department District Residents, 2006-2020
Primary Site	2006- 2010		2011 - 2015		2016- 2020
Primary Site	Average Number	Age-Adjusted Rate	Average Number	Age-Adjusted Rate	Average Number	Age-Adjusted Rate
Prostate Gland	76	62.5 ±6.2	70	49.1 ±5.0	73	43.1 ±4.4
Lung and Bronchus	63	52.7 ±5.7	75	54.7 ±5.5	94	58.6 ±5.2
Breast	70	57.4 ±6.0	74	55.8 ±5.7	95	66.2 ±6.1
Colon and Rectum	44	37.5 ±4.6	46	36.1 ±4.6	47	32.4 ±4.1
All Other Sites	238	204.9 ±11.2	268	206.5 ±10.7	312	216.8 ±10.5
Total	490	415.0 ±15.6	532	402.2 ±14.7	620	417.0 ±14.2

Invasive Cancer Incidence Trends
Allegan County Health Department District Male Residents, 2006-2020
Primary Site	2006- 2010		2011 - 2015		2016- 2020
Primary Site	Average Number	Age-Adjusted Rate	Average Number	Age-Adjusted Rate	Average Number	Age-Adjusted Rate
Prostate Gland	76	133.6 ±13.0	70	104.7 ±10.4	73	89.9 ±9.1
Lung and Bronchus	32	56.7 ±8.6	40	61.6 ±8.5	51	67.2 ±7.9
Breast	2	*	2	*		*
Colon and Rectum	24	44.3 ±7.3	25	40.5 ±7.1	27	38.4 ±6.4
All Other Sites	129	241.4 ±17.5	145	238.1 ±16.3	168	241.7 ±15.6
Total	261	478.3 ±23.8	280	447.0 ±21.7	318	438.0 ±20.2

Invasive Cancer Incidence Trends
Allegan County Health Department District Female Residents, 2006-2020
Primary Site	2006- 2010		2011 - 2015		2016- 2020
Primary Site	Average Number	Age-Adjusted Rate	Average Number	Age-Adjusted Rate	Average Number	Age-Adjusted Rate
Prostate Gland	-	-	-	-	-	-
Lung and Bronchus	32	49.7 ±7.6	36	49.0 ±7.1	44	51.4 ±6.8
Breast	69	109.2 ±11.5	73	106.2 ±11.0	95	128.5 ±11.9
Colon and Rectum	21	32.1 ±5.9	21	31.7 ±6.0	20	27.1 ±5.3
All Other Sites	109	176.6 ±14.5	123	182.9 ±14.3	145	197.7 ±14.5
Total	230	367.6 ±20.6	252	369.8 ±20.0	302	404.8 ±20.3

Notes:
Age-Adjusted Rates are per 100,000 population. Age-adjusted rates are computed by the direct method, using as the standard population the age distribution of the total population of the United States for the year 2000. Adding and subtracting the number shown after the ± symbol from the rate creates a confidence interval indicating that the true rate lies between the lower and upper bounds of this interval with 95 % statistical confidence. COVID-19 Pandemic: In 2020, the highly publicized impact of the COVID-19 pandemic on health services and the consequential delays and reductions in cancer screening and diagnosis led to a decline in the 2020 incidence rates for most cancer sites. Because 2020 was a temporary, anomalous year, it can bias estimates such as cancer incidence trends. Average Number is the number of new invasive cancer cases diagnosed in the period, divided by the number of years in the period. : A rate is not calculated when there are fewer than 20 events, because the width of the confidence interval would negate any usefulness for comparative purposes. Source: Michigan Resident Cancer Incidence File. Updated with cases processed through November 30, 2022. Division for Vital Records & Health Statistics, Michigan Department of Health & Human Services. Last Updated:* April 13, 2023

Notes:

Age-Adjusted Rates are per 100,000 population. Age-adjusted rates are computed by the direct method, using as the standard population the age distribution of the total population of the United States for the year 2000. Adding and subtracting the number shown after the ± symbol from the rate creates a confidence interval indicating that the true rate lies between the lower and upper bounds of this interval with 95 % statistical confidence.

COVID-19 Pandemic: In 2020, the highly publicized impact of the COVID-19 pandemic on health services and the consequential delays and reductions in cancer screening and diagnosis led to a decline in the 2020 incidence rates for most cancer sites. Because 2020 was a temporary, anomalous year, it can bias estimates such as cancer incidence trends.

Average Number is the number of new invasive cancer cases diagnosed in the period, divided by the number of years in the period.

*: A rate is not calculated when there are fewer than 20 events, because the width of the confidence interval would negate any usefulness for comparative purposes.

Source: Michigan Resident Cancer Incidence File. Updated with cases processed through November 30, 2022. Division for Vital Records & Health Statistics, Michigan Department of Health & Human Services.

Last Updated: April 13, 2023