Differences in adverse reactions after the first SARS-CoV-2 vaccine (BNT162b2, Pfizer/BioNTech) according to sex
| Adverse reactions after the 1st Pfizer vaccination | Male (n=42) | Female (n=97) | P-value |
|---|---|---|---|
| Onset time | 1.79±1.49 | 2.0±1.29 | 0.596 |
| Duration | 2.52±2.35 | 2.33±2.33 | 0.086 |
| Pain | 0.69±0.64 | 1.11±0.79 | 0.023 |
| Tenderness | 0.55±0.63 | 1.11±0.91 | 0.001 |
| Erythema/redness | 0.05±0.21 | 0.07±0.29 | 0.733 |
| Induration/swelling | 0.05±0.21 | 0.24±0.55 | 0.041 |
| Nauea/vomiting | 0.10±0.37 | 0.15±0.44 | 0.371 |
| Diarrhea | 0.00 | 0.02±0.14 | 0.350 |
| Headache | 0.26±0.58 | 0.44±0.75 | 0.193 |
| Fatue | 0.33±0.72 | 0.66±0.93 | 0.039 |
| Myalgia | 0.38±0.66 | 0.73±1.00 | 0.099 |
| Allergy | 0.00 | 0.13±0.42 | 0.023 |
| Fever | 0.00 | 0.10±0.33 | 0.042 |
| Other reactions | 0.00 | 0.28±0.79 | 0.005 |
Values are presented as mean±standard deviation.
P-value by Mann-whitney U test.