Data on Trends in Lung and Bronchus Cancer Rates
|American Indian / Alaska Native (includes Hispanic)||Asian / Pacific Islander (includes Hispanic)||Black (includes Hispanic)||Hispanic (any race)||White (includes Hispanic)|
|Year of diagnosis||Rate per 100,000||Rate per 100,000||Rate per 100,000||Rate per 100,000||Rate per 100,000|
Table 1. Trends in lung and bronchus cancer controlled by a race.
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Data Analysis and Interpretation
Lung and bronchus cancer rates in the United States continue to decrease but with significant differences in histology, gender, and race. The latter is the focus of the present data analysis (Meza, Meernik, Jeon, & Cote, 2015). As seen from Table 1, Black and White (including Hispanic) populations are the most affected by the condition, with an average prevalence of 70 and 62.7 cases per 100,000 people annually, respectively.
Native Americans (43.3 per 100,000), Asians (38.9), and Hispanics (31.5) rank third, fourth, and fifth (National Cancer Institute, 2018). Since the data is longitudinal as in gathered over an extended period of time, there is barely any rationale in assessing its normality. However, using one of the key assumptions of the normal curve, it is possible to make conclusions regarding the presence of outliers in each of the data sets. As shown in Table 1, the mean and the median in each column are not far apart. This means that the distribution does not have much skewness.
Regarding the issue analyzed, it is safe to assume that there were no drastic decreases or increases in lung and bronchus cancer rates in each race over the last fifteen years. Such values as variance, standard deviation, and range can shed light on the disease dynamics in each demographic cohort. The data set for Black populations have the largest variance, standard deviation, and range of all, meaning that some changes – negative or positive – took place. When comparing the data on the early 2000s and the most recent data, it is possible to point out some improvement in lung and bronchus cancer rates.
Meza, R., Meernik, C., Jeon, J., & Cote, M. L. (2015). Lung cancer incidence trends by gender, race and histology in the United States, 1973–2010. PloS one, 10(3), e0121323.
National Cancer Institute. (2018). Lung and bronchus cancer. Web.