Table 1. Baseline characteristics and adverse reactions according to vaccine type.
| Variables | Total (n = 5,866) | ChAdOx1 (n = 5,589) | BNT162b2 (n = 277) | P | ||
|---|---|---|---|---|---|---|
| Age group | < 0.001 | |||||
| 20–29 | 1,685 (28.7) | 1,598 (28.6) | 87 (31.4) | |||
| 30–39 | 1,867 (31.8) | 1,764 (31.6) | 103 (37.2) | |||
| 40–49 | 1,498 (25.5) | 1,463 (26.2) | 35 (12.6) | |||
| 50–59 | 725 (12.4) | 701 (12.5) | 24 (8.7) | |||
| 60–69 | 91 (1.6) | 63 (1.1) | 28 (10.1) | |||
| Sex | < 0.001 | |||||
| Female | 4,487 (76.5) | 4,302 (77.0) | 185 (66.8) | |||
| Male | 1,379 (23.5) | 1,287 (23.0) | 92 (33.2) | |||
| Adverse reactions | ||||||
| Any | 5,439 (92.7) | 5,217 (93.3) | 222 (80.1) | < 0.001 | ||
| Local reactions | ||||||
| Pain | 4,730 (80.6) | 4,536 (81.2) | 194 (70.0) | < 0.001 | ||
| Itch | 1,259 (21.5) | 1,242 (22.2) | 17 (6.1) | < 0.001 | ||
| Redness | 400 (6.8) | 393 (7.0) | 7 (2.5) | 0.005 | ||
| Swelling | 548 (9.3) | 534 (9.6) | 14 (5.1) | 0.016 | ||
| Systemic reactions | ||||||
| Fever | 2,884 (49.2) | 2,865 (51.3) | 19 (6.9) | < 0.001 | ||
| Chills | 3,724 (63.5) | 3,680 (65.8) | 44 (15.9) | < 0.001 | ||
| Muscle ache | 4,559 (77.7) | 4,466 (79.9) | 93 (33.6) | < 0.001 | ||
| Joint pain | 2,742 (46.7) | 2,716 (48.6) | 26 (9.4) | < 0.001 | ||
| Headache | 3,954 (67.4) | 3,887 (69.5) | 67 (24.2) | < 0.001 | ||
| Dizziness | 2,655 (45.3) | 2,615 (46.8) | 40 (14.4) | < 0.001 | ||
| Confused mentality | 1,075 (18.3) | 1,065 (19.1) | 10 (3.6) | < 0.001 | ||
| Anxiety | 1,267 (21.6) | 1,254 (22.4) | 13 (4.7) | < 0.001 | ||
| Dyspepsia | 1,742 (29.7) | 1,725 (30.9) | 17 (6.1) | < 0.001 | ||
| Abdominal pain | 1,373 (23.4) | 1,360 (24.3) | 13 (4.7) | < 0.001 | ||
| Vomiting | 1,290 (22.0) | 1,273 (22.8) | 17 (6.1) | < 0.001 | ||
| Diarrhea | 1,363 (23.2) | 1,347 (24.1) | 16 (5.8) | < 0.001 | ||
| Fatigue | 4,381 (74.7) | 4,277 (76.5) | 104 (37.5) | < 0.001 | ||
| Palpitation | 1,593 (27.2) | 1,581 (28.3) | 12 (4.3) | < 0.001 | ||
| Hypertension | 1,023 (17.4) | 1,013 (18.1) | 10 (3.6) | < 0.001 | ||
| Hypotension | 1,018 (17.4) | 1,008 (18.0) | 10 (3.6) | < 0.001 | ||
| Paralysis | 1,002 (17.1) | 992 (17.7) | 10 (3.6) | < 0.001 | ||
| Paraesthesia | 1,093 (18.6) | 1,081 (19.3) | 12 (4.3) | < 0.001 | ||
| Nasal obstruction | 1,535 (26.2) | 1,519 (27.2) | 16 (5.8) | < 0.001 | ||
| Angioedema | 1,081 (18.4) | 1,069 (19.1) | 12 (4.3) | < 0.001 | ||
| Tongue edema | 1,018 (17.4) | 1,008 (18.0) | 10 (3.6) | < 0.001 | ||
| Parageusia | 454 (7.7) | 450 (8.1) | 4 (1.4) | < 0.001 | ||
| Foreign body sensation in the throat | 1,387 (23.6) | 1,360 (24.3) | 27 (9.7) | < 0.001 | ||
| Throat swelling and tightness | 1,194 (20.4) | 1,178 (21.1) | 16 (5.8) | < 0.001 | ||
| Hoarseness | 586 (10.0) | 580 (10.4) | 6 (2.2) | < 0.001 | ||
| Odynophagia | 622 (10.6) | 615 (11.0) | 7 (2.5) | < 0.001 | ||
| Wheezing | 360 (6.1) | 358 (6.4) | 2 (0.7) | < 0.001 | ||
| Chest discomfort | 354 (6.0) | 353 (6.3) | 1 (0.4) | < 0.001 | ||
| Urticaria | 324 (5.5) | 322 (5.8) | 2 (0.7) | 0.001 | ||
| Skin rash | 325 (5.5) | 320 (5.7) | 5 (1.8) | 0.008 | ||
| Antipyretic use | 4,692 (80.0) | 4,597 (82.3) | 95 (34.3) | < 0.001 | ||
Data are presented as number (%).