CHI-SQUARE INDEPENDENCE TEST: TO STUDY THE EFFECT OF CHRONIC DISEASES AND RECOVERY FROM COVID 19 Case Study King Abdullah Hospital during the period December 2020-June 2021.

The Chi-square statistic is a non-parametric tool designed to analyze group differences when the dependent variable is measured at the nominal level. The aim of this research is to study two groups of people infected with COVID-19 who received the same medical care (one with chronic diseases who did not get the vaccine and the other group who did not have chronic diseases and did get the vaccine) and the extent of recovery from Covid 19. A paper questionnaire was created for research purposes to follow up on cases received by King Abdullah Hospital during the period from December 2020 to June 2021. 316 valid questionnaires were retrieved with complete data and analyzed using SPSS software The results showed that there is a statistically significant relationship between not having chronic diseases and getting the vaccine and recovery from Covid 19, and Cramer's V equals 0.75, and it is clear from the coefficient that there is a strong relationship between recovery from Covid 19 and being free from chronic diseases and getting the vaccine that confirms the hypothesis Research, and the study recommends the importance of getting the vaccine to increase immunity in individuals, whether they have chronic diseases or not.