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Table 3 Self-reported side effects by type of vaccines

From: Perceptions and experiences of COVID-19 vaccines’ side effects among healthcare workers at an Egyptian University Hospital: a cross-sectional study

Side effects AstraZeneca (n = 450) Sinopharm (n = 461) Sinovac (n = 335) Total (n = 1246) χ2 p
n % n % n % n %
Fever 336 74.7 128 27.8 116 34.6 580 46.5 227.50  < 0.001
Vomiting 35 7.8 29 6.3 12 3.6 76 6.1 5.949 0.051
Diarrhea 41 9.1 22 4.8 20 6.0 83 6.7 7.247 0.027
Headache 286 63.6 207 44.9 129 38.5 622 49.9 55.056 < 0.001
Fatigue 334 74.2 220 47.7 157 46.9 711 57.1 84.712 < 0.001
Chills 165 36.7 92 20.0 65 19.4 322 25.8 43.093 < 0.001
Muscle pains 285 63.6 173 37.5 148 44.2 607 48.7 65.525 < 0.001
Joint pains 192 42.7 97 21.0 101 30.1 390 31.3 49.807 < 0.001
Urticaria 19 4.2 20 4.3 3 0.9 42 3.4 8.628 0.013
Shortness of breathing 52 11.6 27 5.9 17 5.1 96 7.7 14.857 0.001
Chest pain 44 9.8 33 7.2 20 6.0 97 7.8 4.278 0.118
Edema of arms or legs 12 2.7 15 3.3 9 2.7 36 2.9 0.347 0.841
Loss of appetite 102 22.7 42 9.1 30 9.0 174 14.0 44.400 < 0.001
Dysphagia 51 11.3 21 4.6 9 2.7 81 6.5 28.179 < 0.001
Constipation 12 2.7 24 5.2 12 3.6 48 3.9 4.055 0.132
Bleeding under the skin 3 0.7 9 2.0 6 1.8 18 1.4 3.030 0.220
Bleeding from the nose 14 3.1 3 0.7 6 1.8 23 1.8 7.616 0.022
Injection site
 Pain 336 74.7 254 55.1 217 64.8 807 64.8 38.215 < 0.001
 Redness 164 36.4 80 17.4 49 14.6 293 23.5 66.271 < 0.001
 Swelling 183 40.7 83 18.0 68 20.3 334 26.8 69.496 < 0.001
Side effects affect work capacity 151 33.6 71 15.4 70 20.9 292 23.4 43.474 < 0.001
Duration of symptoms
 < 2 weeks 422 93.8 444 96.3 329 98.2 1195 95.9 12.010 0.017
 2–4 weeks 22 4.9 11 2.4 3 0.9 36 2.9
 4 weeks 6 1.3 6 1.3 3 0.9 15 1.2