Association of side effects and COVID-19 vaccines
| Symptoms | Type of vaccines | Chi-square | p-value | |||||
|---|---|---|---|---|---|---|---|---|
| AstraZeneca | Pfizer | Sinopharm | ||||||
| No. | % | No. | % | No. | % | |||
| Colitis | 2 | 15.4% | 10 | 76.9% | 1 | 7.7% | 2.976 | 0.226 |
| Respiratory symptoms | 3 | 18.8% | 10 | 62.5% | 3 | 18.8% | 0.605 | 0.739 |
| Dermatitis | 1 | 16.7% | 2 | 33.3% | 3 | 50.0% | 4.361 | 0.113 |
| Indigestion | 0 | 0.0% | 3 | 50.0% | 3 | 50.0% | 6.414 | 0.040 |
| Colic | 1 | 50.0% | 1 | 50.0% | 0 | 0.0% | 1.349 | 0.509 |
| Constipation | 2 | 33.3% | 4 | 66.7% | 0 | 0.0% | 1.822 | 0.402 |
| Diarrhea | 3 | 25.0% | 9 | 75.0% | 0 | 0.0% | 3.398 | 0.183 |
| Vomiting | 0 | 0.0% | 2 | 100.0% | 0 | 0.0% | 2.710 | 0.258 |
| Loss of appetite | 12 | 31.6% | 23 | 60.5% | 3 | 7.9% | 4.365 | 0.113 |
| Tachycardia | 8 | 38.1% | 10 | 47.6% | 3 | 14.3% | 3.715 | 0.156 |
| Shivering | 17 | 40.5% | 22 | 52.4% | 3 | 7.1% | 13.083 | 0.001 |
| Nausea | 16 | 32.0% | 32 | 64.0% | 2 | 4.0% | 10.031 | 0.007 |
| General fatigue | 121 | 34.1% | 202 | 56.9% | 32 | 9.0% | 86.573 | <0.001 |
| Arthritis | 83 | 38.1% | 116 | 53.2% | 19 | 8.7% | 60.117 | <0.001 |
| Headache | 104 | 36.9% | 155 | 55.0% | 23 | 8.2% | 83.040 | <0.001 |
| Dizziness | 65 | 36.9% | 61 | 55.0% | 15 | 8.2% | 69.184 | <0.001 |
| Fever | 135 | 33.2% | 232 | 57.0% | 40 | 9.8% | 88.625 | <0.001 |
| Symptoms | Type of vaccines | Chi-square | ||||||
|---|---|---|---|---|---|---|---|---|
| AstraZeneca | Pfizer | Sinopharm | ||||||
| No. | % | No. | % | No. | % | |||
| Colitis | 2 | 15.4% | 10 | 76.9% | 1 | 7.7% | 2.976 | 0.226 |
| Respiratory symptoms | 3 | 18.8% | 10 | 62.5% | 3 | 18.8% | 0.605 | 0.739 |
| Dermatitis | 1 | 16.7% | 2 | 33.3% | 3 | 50.0% | 4.361 | 0.113 |
| Indigestion | 0 | 0.0% | 3 | 50.0% | 3 | 50.0% | 6.414 | 0.040 |
| Colic | 1 | 50.0% | 1 | 50.0% | 0 | 0.0% | 1.349 | 0.509 |
| Constipation | 2 | 33.3% | 4 | 66.7% | 0 | 0.0% | 1.822 | 0.402 |
| Diarrhea | 3 | 25.0% | 9 | 75.0% | 0 | 0.0% | 3.398 | 0.183 |
| Vomiting | 0 | 0.0% | 2 | 100.0% | 0 | 0.0% | 2.710 | 0.258 |
| Loss of appetite | 12 | 31.6% | 23 | 60.5% | 3 | 7.9% | 4.365 | 0.113 |
| Tachycardia | 8 | 38.1% | 10 | 47.6% | 3 | 14.3% | 3.715 | 0.156 |
| Shivering | 17 | 40.5% | 22 | 52.4% | 3 | 7.1% | 13.083 | 0.001 |
| Nausea | 16 | 32.0% | 32 | 64.0% | 2 | 4.0% | 10.031 | 0.007 |
| General fatigue | 121 | 34.1% | 202 | 56.9% | 32 | 9.0% | 86.573 | <0.001 |
| Arthritis | 83 | 38.1% | 116 | 53.2% | 19 | 8.7% | 60.117 | <0.001 |
| Headache | 104 | 36.9% | 155 | 55.0% | 23 | 8.2% | 83.040 | <0.001 |
| Dizziness | 65 | 36.9% | 61 | 55.0% | 15 | 8.2% | 69.184 | <0.001 |
| Fever | 135 | 33.2% | 232 | 57.0% | 40 | 9.8% | 88.625 | <0.001 |
Source(s): Table by authors
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