Statistical analysis of Pearson’s chi-squared test, divided for ages ranges
Years’ comparison Age
2019–2020
2019–2021
2020–2021
Age
χ2
P value
χ2
P value
χ2
P value
40–49
4.761905
< 0.05
5.761905
< 0.025
0.090909
< 0.9
50–69
13.72857
< 0.01
18.51429
< 0.01
2.016667
< 0.25
> 70
1.142857
< 0.75
5.785714
< 0.025
2.5
< 0.25
Total
19.28571
< 0.01
29.86667
< 0.01
2.016667
< 0.25
Statistical significance was set at P ≤ 0.01
Declarations
Author contributions
DUT and RS contributed conception and design of the study; DUT organized the database; RS performed the statistical analysis; DUT and RS wrote the first draft of the manuscript. DUT, RS, and FP contributed to manuscript revision, read, and approved the submitted version.
Conflicts of interest
The authors declare that they have no conflicts of interest.
Ethical approval
Not applicable.
Consent to participate
Not applicable.
Consent to publication
Not applicable.
Availability of data and materials
The datasets analyzed for this study can be found in saniarp.it, the Caserta Local Health Authority reporting database, and from the register of our daily activities.
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