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Table 1 Socio–demographic, co-morbid illness, disease related variables and comparison between Symptomatic Vs Asymptomatic patients (n = 730)

From: Factors associated with development of symptomatic disease in Ethiopian COVID-19 patients: a case-control study

Variable Asymptomatic (%) (n = 366)
337
Symptomatic (%) (n = 393) Total (%) (n = 730)
730
P-value
Age group (in years)
 < 30 169 (66.0) 87 (34.3) 256 (35.1) 0.0001*
 30–39 74 (44.3) 93 (55.7) 167 (22.9)  
 40–49 52 (44.1) 66 (55.9) 118 (16.2)  
 ≥ 50 42 (22.2) 147 (77.8) 189 (25.9)  
Sex
 Female 162 (53.8) 139 (46.2) 301 (41.2) 0.001*
 Male 1730 (40.8) 254 (59.2) 429 (58.8)  
Preexisting Co-morbid illness
 No 292 (55.8) 231 (44.2) 523 (71.6) 0.0001*
 Yes 45 (21.7) 162 (73.8) 207 (28.4)  
Cardiac disease
 No 337 (47.7) 369 (52.3) 704 (96.7) 0.0001*
 Yes 0 (0.0) 24 (100.0) 24 (3.3)  
Hypertension
 No 313 (50.6) 306 (49.4) 619 (84.8) 0.0001*
 Yes 24 (21.6) 87 (78.4) 111 (15.2)  
Diabetes Mellitus
 No 349 (52.0) 322 (48.0) 649 (88.9) 0.0001*
 Yes 17 (19.3) 71 (87.7) 81 (11.1)  
Asthma
 No 332 (47.1) 373 (52.9) 705 (96.6) 0.004*
 Yes 5 (20.0) 20 (80.0) 25 (3.4)  
Khat chewing
 No 332 (46.8) 377 (53.2) 709 (97.1) 0.037
 Yes 5 (23.8) 16 (76.2) 21 (2.9)  
  1. *Statistically significant