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Table 3 Comparison between both groups regarding the degree of improvement of parosmia

From: The potential therapeutic effect of platelet-rich plasma in the treatment of post-COVID-19 parosmia

Variable

Case group

(30 patients)

Control group

(30 patients)

Chi-square test

p-value

No

%

No

%

Degree of improvement

No improvement

5

16.7

18

56.7

Chi = 15.4005

0.0005

Partial improvement

10

33.3

9

33.3

Complete improvement

15

50

3

10