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Table 3 Comparison between parasitic infected cases and free cases in terms of demographic data, comorbidity, SARS-CoV-2 manifestation, and severity

From: Role of interferon gamma in SARS-CoV-2-positive patients with parasitic infections

Characteristics Total Negative (−ve) (n = 117) Positive (+ve) (n = 258) t P
Age
Mean ± SD 375 43.37 ± 10.62 45.11 ± 12.53 1.30 0.19
Range   18–67 19–69   NS
Characteristics Total N % N % χ2 P
Sex
Male 246 75 30.5 171 69.5 0.17 0.68
Female 129 42 32.6 87 67.3   NS
Occupation
Student 29 11 37.9 18 62.1   
Unemployed-housewife 51 13 25.5 38 74.5   
Retired 24 10 41.7 14 58.3   
Farmer 12 1 8.3 11 91.7   
Skilled or worker 65 23 35.4 42 64.6 14.98 0.04*
Employer 93 35 37.6 58 62.4   
Specialist 69 21 30.4 48 69.6   
Health care worker 32 3 9.4 29 90.6   
Chronic comorbidities
No 225 69 30.7 156 69.3 0.07 0.78
Yes 150 48 32 102 68 0.07 NS
Hypertension 12 5 41.7 7 58.3   
Diabetes mellitus 12 1 8.3 11 91.7   
HPT + DM 8 2 25 6 75 12.58 0.04*
Chronic heart disease 21 9 42.9 12 57.1   
Chronic lung disease 74 26 35.1 48 64.9   
Chronic heart & lung diseases 10 5 50 5 50   
Immunosuppression 13 0 0 13 100   
COVID-19 symptoms
Chest manifestation 205 84 41 121 59   
GIT manifestation 96 21 21.9 75 78.1 20.67 <0.001**
Chest & GIT manifestations 74 12 16.2 62 83.8   
Mild 346 94 27.2 252 72.8 33.89 <0.001**
Covid-19 severity
Severe (admission ICU) 29 23 79.3 6 20.7   
  1. SD standard deviation, t independent t test, χ2 chi-square test, NS non-significant, NS non-significant (P  >  0.05) * significant (P  <  0.05) ** highly significant (P  <  0.01)