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. 2022 Oct 29;10(11):1835. doi: 10.3390/vaccines10111835

Table 2.

Distribution of outcomes reported by the study population and the respective difference in prevalence and kappa statistics.

Outcomes Influenza
n (%)
COVID-19 n (%) Difference in Prevalence Kappa Coefficient
(p-Value)
Allergies *
Medication-related
Other than medication-related
54 (24.8)
34 (15.6)
33 (15.1)
72 (33.0)
39 (17.9)
45 (20.6)
0.06
0.3
0.07
0.59 (<0.001)
0.50 (<0.001)
0.79 (<0.001)
Chronic medication use 71 (32.6) 89 (40.8) 0.03 0.63 (<0.001)
Chronic diseases 69 (31.7) 78 (35.8) 0.18 0.40 (<0.001)
One disease 54 (24.8) 61 (28.0)
Multiple diseases 15 (6.9) 17 (7.8)

* Numbers do not sum up to the total because of missing information on the specific allergies.