Variant DM (21) Hypertension (32) Obesity (17) Smoking (37) Asthma (11)
Yes NO 23 97 Yes NO 41 79 Yes NO 20 100 Yes NO 37 83 Yes NO 18 102
Initial smell scores 0.002* 0.9 0.7 0.7 0.1
Smell score after 4 weeks 0.71 0.9 0.9 0.9 0.01*
Duration of anosmia or hyposmia 0.3 0.3 0.6 0.3 0.03*
No. of patients with complete recovery of smell after 4 weeks <0.001* <0.001* 0.4 <0.001* <0.001*