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Table 1 Distribution of baseline information by real-time polymerase chain reaction (RT-PCR) results

From: Can initial chest CT scan predict status and clinical outcomes of COVID-19 infection? A retrospective cohort study

Variables RT-PCR-positive (n = 523) RT-PCR-negative (n = 219) P value
Age (years), mean ± SD 56.55 ± 14.75 56.72 ± 15.23 0.885
Sex, n (%)
Male 317 (60.6) 134 (61.2) 0.884
Female 206 (39.4) 85 (38.8)  
CVDs, n (%)
Yes 219 (41.9) 93 (42.5) 0.882
No 304 (58.1) 126 (57.3)  
Asthma/COPD, n (%)
Yes 52 (9.9) 19 (8.7) 0.593
No 471 (90.1) 200 (91.3)  
Diabetes, n (%)
Yes 130 (24.9) 52 (23.7) 0.748
No 393 (75.1) 167 (76.3)  
  1. CVDs cardiovascular diseases, COPD chronic obstructive pulmonary disease