Table 4. Adverse effects based on the type of COVID-19 vaccine administered.
| Side effects | Pfizer-BioNTech (n=422) | AstraZeneca (n=126) | Sinopharm (n=77) | Total (n=625) | P value |
| n (%) | n (%) | n (%) | n (%) | ||
| Systemic side effect | |||||
| Headache | 161 (38.2) | 51 (40.5) | 21 (27.3) | 233 (37.3) | 0.136 |
| Fatigue | 172 (40.8) | 67 (53.2) | 25 (32.5) | 264 (42.3) | 0.008 |
| Fever | 223 (52.8) | 78 (61.9) | 34 (44.2) | 335 (53.6) | 0.04 |
| Chills and tremors | 60 (14.2) | 24 (19.0) | 4 (5.2) | 88 (14.1) | 0.02 |
| Joint pain | 87 (20.6) | 18 (14.3) | 19 (24.7) | 124 (19.8) | 0.15 |
| Myalgia | 116 (27.5) | 39 (31.0) | 14 (18.2) | 169 (27.1) | 0.13 |
| Diarrhoea | 117 (27.7) | 7 (5.6) | 5 (6.5) | 129 (20.6) | 0.001 |
| Nausea | 31 (7.3) | 21 (16.7) | 7 (9.1) | 59 (9.4) | 0.007 |
| Local side effect | |||||
| Local pain | 239 (56.6) | 52 (41.3) | 33 (42.9) | 324 (51.8) | 0.002 |
| Local oedema | 56 (13.3) | 18 (14.3) | 12 (15.6) | 86 (13.8) | 0.84 |
| Itching | 24 (5.7) | 15 (11.9) | 5 (6.5) | 44 (7.1) | 0.056 |
| Local redness | 41 (9.7) | 13 (10.3) | 4 (5.2) | 58 (9.3) | 0.41 |
| Local hotness | 86 (20.4) | 22 (17.5) | 8 (10.4) | 116 (18.6) | 0.11 |
| Duration of symptoms (Day + SD) | 2.91+1.93 | 2.75+1.81 | 2.88+2.28 | 0.78 |