TNF and COVID-19: Similarly, the difference between the levels of TNF-α in the study groups were statistically significant (P=0.001) The mean testosterone levels in COVID-19 patients and healthy controls were 1.53 ± 1.24 and 3.87 ± 1.44, respectively, whereas the mean inhibin B levels in COVID-19 patients were 54.29 ± 7.33 as against 64.14 ± 37.66 in healthy controls, respectively.