TABLE 4.
Signs, symptoms, and values of polymerase chain reaction tests at the end of the study among the studied groups.
| STD (N = 30) n (%) | NS (N = 30) n (%) | VD (N = 30) n (%) | NS + VD (N = 30) n (%) | p-value | |
|---|---|---|---|---|---|
| Cough (Day +7) | 0.02 2 | ||||
| Absent | 8 (26.7) | 11 (36.7) | 10 (33.3) | 15 (50.0) | |
| Dry | 11 (36.7) | 18 (60.0) | 16 (53.3) | 11 (36.7) | |
| Productive | 11 (36.7) | 1 (3.3) | 4 (13.3) | 4 (13.3) | |
| Diarrhea | 8 (26.7) | 2* (6.7) | 1* (3.3) | 1* (3.3) | 0.01 2 |
| Fatigue (Day +4) | 25 (83.3) | 12* (40.0) | 20* (66.7) | 9* (30.0) | <0.01 1 ** |
| Headache | 14 (46.7) | 9 (30.0) | 14 (46.7) | 6 (20.0) | 0.08 1 |
| Rash | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | - |
| Conjunctivitis | 0 (0.0) | 1 (3.3) | 0 (0.0) | 0 (0.0) | 1.00 2 |
| Rhinorrhea | 4 (13.3) | 6 (20.0) | 9 (30.0) | 3 (10.0) | 0.24 2 |
| Anosmia | 14 (46.7) | 10 (33.3) | 13 (43.3) | 11 (36.7) | 0.71 1 |
| SOB | 8 (26.7) | 5 (16.7) | 6 (20.0) | 4 (13.3) | 0.60 2 |
| Pharyngitis | 9 (30.0) | 2* (6.7) | 3* (10.0) | 2* (6.7) | 0.02 1 |
| Ageusia | 15 (50.0) | 12 (40.0) | 15 (50.0) | 12 (40.0) | 0.75 1 |
| Vomiting | 1 (3.3) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 1.00 2 |
| PCR positive (day 7) | 26 (86.7) | 15 (50.0) | 25 (83.3) | 14 (46.7) | <0.01 2 ** |
| PCR positive (day 14) | 19* (63.3) | 12* (40.0) | 14* (46.7) | 4* (13.3) | <0.01 1 ** |
1
Pearson’s chi-squared test.
2
Fisher’s exact test.
*Significant difference.
Abbreviations: NS, Nigella sativa; PCR, polymerase chain reaction; SOB, shortness of breath; SO2, oxygen saturation; SOB, shortness of breath; STD, standard therapy; TLC, total leukocyte count; VD, vitamin D3.
Bold value means Significant difference.