Skip to main content
. 2022 Nov 10;15:1605–1621. doi: 10.2147/JAA.S386611

Table 3.

Differences in Adverse Reactions of Live-Attenuated Oxford/AstraZeneca COVID-19 Vaccination Between Hypertension (n=616) and Non-Hypertension (n=2400) Groups

Sign effect Category 1st Dose 2nd Dose
Hypertension (n=616) Non-Hypertension (n=2400) RR (95% CI) p-value Hypertension (n=616) None Hypertension (n=2400) RR (95% CI) p-value
n(%) n(%) n(%) n(%)
Within 30 minutes Fever, mild headache or high grade fever, severe headache 9(1.5) 29(1.2) 1.2 (0.575to2.514) 0.616 1(0.2) 1(0.01) 3.9 (0.244to62.20) 0.336
Chest discomfort or breathing difficulties - - - - - - - -
Nausea or vomiting (no more than 5 times) 0(0) 5(0.2) -- - - - - -
Skin rash /urticaria 1(0.2) 6(0.2) 0.8 (0.091 to 6.658) 0.82 1(0.2) 0(0) - -
Pain, swelling, redness and warmth at the injection site 4(0.6) 14(0.6) 1.1 (0.368to3.37) 0.85 - - - -
Within 6 hours Fever, mild headache or high grade fever, severe headache 51(8.3) 210(8.8) 1 (0.706 to 1.268) 0.711 7(1.1) 43(1.8) 0.6 (0.287to1.4) 0.26
Chest discomfort or breathing difficulties - - - - - - - -
Nausea or vomiting (no more than 5 times) 4(0.6) 17(0.7) 0.9 (0.31 to 2.715) 0.875 0(0) 3(0.1) - -
Skin rash /urticaria 3(0.5) 22(0.9) 0.5 (0.16 to 1.769) 0.302 1(0.2) 3(0.1) 1.3 (0.135to12.46) 0.821
Pain, swelling, redness and warmth at the injection site 15(2.4) 58(2.4) 1 (0.575 to 1.765) 0.979 4(0.6) 14(0.6) 1.1 (0.368to3.37) 0.85
Within 24 hours Fever, mild headache or high grade fever, severe headache 198(32.1) 740(30.8) 1.1 (0.916 to 1.187) 0.531 109(17.7) 436(18.2) 0.98 (0.805to1.178) 0.786
Chest discomfort or breathing difficulties 2(0.3) 1(0.001) 7.8 (0.708 to 85.79) 0.093 - - - -
Nausea or vomiting (no more than 5 times) 7(1.1) 58(2.4) 0.5 (0.216 to 1.025) 0.057 3(0.5) 10(0.4) 1.2 (0.323to4.234) 0.812
Skin rash /urticaria 14(2.3) 71(3) 0.8 (0.436 to 1.353) 0.36 3(0.5) 15(0.6) 0.8 (0.226to2.683) 0.692
Pain, swelling, redness and warmth at the injection site 91(14.8) 314(13.1) 1.1 (0.91 to 1.401) 0.273 31(5) 150(6) 0.8 (0.553to1.173) 0.257
After 24 hours Fever, mild headache or high grade fever, severe headache 68(11) 365(15.2) 0.7 (0.569 to 0.926) 0.009* 49(8) 251(10.5) 0.8 (0.567to1.02) 0.065
Chest discomfort or breathing difficulties 2(0.3) 2(0.1) 3.9 (0.55 to 27.603) 0.174 - - - -
Nausea or vomiting (no more than 5 times) 5(0.8) 29(1.2) 0.7 (0.261 to 1.728) 0.409 3(0.5) 7(0.3) 1.7 (0.433to6.438) 0.457
Skin rash /urticaria 13(2.1) 43(1.8) 1.2 (0.637 to 2.177) 0.602 3(0.5) 15(0.6) 0.8 (0.226to2.683) 0.692
Pain, swelling, redness and warmth at the injection site 32(5.2) 183(7.6) 0.7 (0.473 to 0.981) 0.038* 18(2.9) 125(5.2) 0.6 (0.345to0.912) 0.019*
Within 3 days Fever, mild headache or high grade fever, severe headache 63(10.2) 357(14.9) 0.7 (0.534 to 0.885) 0.003* 49(8) 249(10.4) 0.8 (0.572to1.03) 0.073
Chest discomfort or breathing difficulties 2(0.3) 1(0.01) 7.8 (0.708 to 85.79) 0.093 - - - -
Nausea or vomiting (no more than 5 times) 5(0.8) 25(1) 0.8 (0.3 to 2.027) 0.609 3(0.5) 7(0.3) 1.7 (0.433to6.438) 0.457
Skin rash /urticaria 11(1.8) 38(1.6) 1.1 (0.58 to 2.193) 0.723 2(0.3) 12(0.5) 0.6 (0.146to2.894) 0.571
Pain, swelling, redness and warmth at the injection site 32(5.2) 180(7.5) 0.7 (0.481 to 0.998) 0.047* 18(2.9) 123(5.1) 0.6 (0.35to0.928) 0.023*
Within 7 days Fever, mild headache or high grade fever, severe headache 67(10.9) 365(15.2) 0.7 (0.56 to 0.914) 0.006* 49(8) 251(10.5) 0.8 (0.567to1.02) 0.065
Chest discomfort or breathing difficulties 2(0.3) 2(0.1) 3.9 (0.55 to 27.603) 0.174 - - - -
Nausea or vomiting (no more than 5 times) 5(0.8) 27(1.1) 0.7 (0.279 to 1.866) 0.5 3(0.5) 7(0.3) 1.7 (0.433to6.438) 0.457
Skin rash /urticaria 13(2.1) 41(1.7) 1.2 (0.666 to 2.291) 0.503 3(0.5) 15(0.6) 0.8 (0.226to2.683) 0.692
Pain, swelling, redness and warmth at the injection site 32(5.2) 183(7.6) 0.7 (0.473 to 0.981) 0.038* 18(2.9) 125(5.2) 0.6 (0.345to0.912) 0.019*

Note: *is significance with alpha=0.05.