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Cancer instances and deaths were higher than expected in nearly all of Chester County's zip codes.
The information comes from the South Carolina Department of Health and Environmental Control and covers 2006-2010, the most recent years in which cancer data was available.
In the 29014 zip code (Blackstock), the number of cancer incidence during the study period was expected to be 56, but the actual number was 92. That was considered "statistically significantly higher" than expected by DHEC.
The 29712 zip code (Edgemoor) also carried the "statistically significantly higher" than expected label. During the study, 65 cancer cases were expected, but 116 were observed. That unfortunate designation also applies to the 29729 zip code in Richburg, which also exhibited a higher number of actual cancer cases (75) than expected (58).
The City of Chester (29706) had more cases of cancer than was expected in the study, but not enough to earn the "statistically significantly higher" label. In all, 546 cases were expected, but 584 were observed.
One bit of positive news came in the form of two zip codes actually having fewer observed cases than was expected. Great Falls (29055) had an expected number of cancer cases of 127, but only 104 were observed. Fort Lawn (29714) was expected to have 72, but only 60 were observed.
As far as deaths caused by cancer, only one zip code received the "statistically significantly higher" designation, that being Chester's 29706. DHEC expected 224 cancer deaths, but 255 were observed. All the other zip codes saw about the number of cancer deaths that were expected, with 21 actual deaths against 22 expected deaths in 29014, 55 deaths against 51 expected in 29055, 25 deaths with 25 having been expected in 29712, 27 deaths against 30 expected deaths in 29714 and 15 actual deaths compared to 22 expected deaths in 29729.
DHEC also provided a breakdown of which types of cancer were found to be "statistically significantly higher" than expected. When it came to cases, the county as a whole had more total cancer cases and instances of lung and bladder cancer than expected. In the 29014 zip code, no specific type was listed, just "total cancer." In the 29055 zip code there were more lung cancer cases than expected. The 29706 zip code had more cases of bladder cancer than expected and 29729 had more total cancer cases and more instances of colon/rectum cancer that expected. The longest list of observed case types came in the 29712 zip code, where total cancer, female breast cancer, prostate cancer and colon/rectum cancer were all higher than expected.
As far as higher than expected number of deaths, in the county as a whole, only lung cancer made the list. In the 29706 zip code, though, total cancer, lung cancer and female breast cancer all saw a "statistically significantly higher" numbers of deaths than expected.