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Table 5 Cumulative incidence of Serious Adverse Events in each treatment

From: Safety and efficacy of favipiravir in COVID-19 patients with pneumonia. A randomized, double-blind, placebo-controlled study (FAVID)

Serious Adverse Events

Favipiravir Patients (N=23) N (%)

Favipiravir Events N (%)

Placebo Patients (N=21) N (%)

Placebo Events N (%)

Patients (N=44) N (%)

Events (N=12) N (%)

Total SAEs

5 (21.74%)

8 (66.67%)

4 (19.05%)

4 (33.33%)

9 (20.45%)

12 (100%)

Respiratory, thoracic and mediastinal disorders

3 (13.04 %)

5 (62.5 %)

3 (14.29 %)

3 (75 %)

6 (13.64 %)

8 (66.67 %)

 Hypoxia

3 (13.04 %)

3 (37.5 %)

3 (14.29 %)

3 (75 %)

6 (13.64 %)

6 (50 %)

 Pneumomediastinum

1 (4.35 %)

1 (12.5 %)

0 (0 %)

0 (0 %)

1 (2.27 %)

1 (8.33 %)

 Pneumothorax

1 (4.35 %)

1 (12.5 %)

0 (0 %)

0 (0 %)

1 (2.27 %)

1 (8.33 %)

Nervous system disorders

1 (4.35 %)

2 (25 %)

1 (4.76 %)

1 (25 %)

2 (4.55 %)

3 (25 %)

 Cerebral venous thrombosis

1 (4.35 %)

1 (12.5 %)

0 (0 %)

0 (0 %)

1 (2.27 %)

1 (8.33 %)

 Hemorrhage intracranial

1 (4.35 %)

1 (12.5 %)

0 (0 %)

0 (0 %)

1 (2.27 %)

1 (8.33 %)

 Seizure

0 (0 %)

0 (0 %)

1 (4.76 %)

1 (25 %)

1 (2.27 %)

1 (8.33 %)

Renal and urinary disorders

1 (4.35 %)

1 (12.5 %)

0 (0 %)

0 (0 %)

1 (2.27 %)

1 (8.33 %)

 Renal failure

1 (4.35 %)

1 (12.5 %)

0 (0 %)

0 (0 %)

1 (2.27 %)

1 (8.33 %)