Table 5.
First week after first vaccination |
First week after second vaccination |
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Single-dose and two-single-doses groups (n=517) | Double-dose group (n=255) | p value | Single-dose group (placebo; n=240) | Two-single-doses group (n=238) | p value | ||
Non-dominant arm local injection-site reactions | |||||||
Tenderness | |||||||
Any | 24·6% (20·9–28·5) | 28·3% (22·8–34·2) | 0·27 | 15·0% (10·7–20·2) | 18·5% (13·8–24·0) | 0·31 | |
Severe | 2·7% (1·5–4·5) | 1·6% (0·4–4·0) | 0·45 | 2·1% (0·7–4·8) | 0·4% (<0·1–2·3) | 0·22 | |
Redness | |||||||
Any | 7·0% (4·9–9·5) | 7·8% (4·9–11·9) | 0·66 | 2·1% (0·7–4·8) | 3·4% (1·5–6·5) | 0·42 | |
Severe | 1·9% (0·9–3·5) | 2·0% (0·6–4·5) | 0·99 | 1·3% (0·3–3·6) | 0·4% (<0·1–2·3) | 0·62 | |
Swelling | |||||||
Any | 8·3% (6·1–11·0) | 6·3% (3·6–10·0) | 0·32 | 2·9% (1·2–5·9) | 4·2% (2·0–7·6) | 0·45 | |
Severe | 1·7% (0·8–3·3) | 2·0% (0·6–4·5) | 0·78 | 1·7% (0·5–4·2) | 0·4% (<0·1–2·3) | 0·37 | |
Hardness | |||||||
Any | 19·9% (16·6–23·6) | 22·0% (17·0–27·5) | 0·51 | 11·7% (7·9–16·4) | 15·6% (11·2–20·8) | 0·22 | |
Severe | 2·1% (1·1–3·8) | 1·2% (0·2–3·4) | 0·57 | 2·1% (0·7–4·8) | 0·4% (<0·1–2·3) | 0·22 | |
Bruising | |||||||
Any | 12·4% (10·0–15·5) | 9·8% (6·4–14·1) | 0·29 | 8·8% (5·5–13·1) | 9·2% (5·9–13·7) | 0·85 | |
Severe | 0·8% (0·2–2·0) | 0·8% (<0·1–2·8) | 1·0 | 0·4% (<0·1–2·3) | 0 | 1·0 | |
Itching | |||||||
Any | 19·0% (15·7–22·6) | 22·8% (17·7–28·4) | 0·22 | 12·5% (8·6–17·4) | 13·0% (9·0–18·0) | 0·86 | |
Severe | 1·9% (0·9–3·5) | 0·4% (<0·1–2·2) | 0·11 | 0 | 0·8% (0·1–3·0) | 0·50 | |
At least one local reaction | |||||||
Any | 38·1% (33·9–42·4) | 47·8% (41·6–54·1) | 0·010 | 23·8% (18·5–29·6) | 28·2% (22·5–34·3) | 0·27 | |
Severe | 6·6% (4·6–9·1) | 4·7% (2·5–8·1) | 0·30 | 4·2% (2·0–7·5) | 1·7% (0·5–4·2) | 0·17 | |
Dominant arm local injection-site reactions | |||||||
Tenderness | |||||||
Any | 19·5% (16·2–23·2) | 22·0% (17·0–27·5) | 0·43 | ·· | ·· | ·· | |
Severe | 1·4% (0·1–2·5) | 1·2% (0·2–3·4) | 0·99 | ·· | ·· | ·· | |
Redness | |||||||
Any | 4·5% (2·8–6·6) | 6·3% (3·6–10·0) | 0·28 | ·· | ·· | ·· | |
Severe | 0·6% (0·1–1·7) | 2·4% (0·9–5·0) | 0·066 | ·· | ·· | ·· | |
Swelling | |||||||
Any | 4·1% (2·5–6·1) | 6·3% (3·6–10·0) | 0·18 | ·· | ·· | ·· | |
Severe | 0·8% (0·2–2·0) | 2·0% (0·6–4·5) | 0·17 | ·· | ·· | ·· | |
Hardness | |||||||
Any | 14·1% (11·2–17·4) | 18·0% (13·5–23·3) | 0·16 | ·· | ·· | ·· | |
Severe | 0·8% (0·2–2·0) | 1·2% (0·2–3·4) | 0·69 | ·· | ·· | ·· | |
Bruising | |||||||
Any | 9·3% (6·9–12·1) | 9·4% (6·1–13·7) | 0·95 | ·· | ·· | ·· | |
Severe | 0·4% (0·1–1·4) | 0 | 1·0 | ·· | ·· | ·· | |
Itching | |||||||
Any | 12·8% (10·0–16·0) | 18·0% (13·5–23·3) | 0·050 | ·· | ·· | ·· | |
Severe | 1·2% (0·4–2·5) | 1·2% (0·2–3·4) | 1·0 | ·· | ·· | ·· | |
At least one local reaction | |||||||
Any | 26·7% (22·9–30·7) | 38·8% (32·8–45·1) | 0·001 | ·· | ·· | ·· | |
Severe | 3·7% (2·2–5·7) | 5·1% (2·7–8·6) | 0·35 | ·· | ·· | ·· | |
Systemic reactions | |||||||
Weakness or tiredness | |||||||
Any | 35·8% (31·6–40·1) | 34·9% (29·1–41·1) | 0·81 | 27·5% (22·0–33·6) | 24·0% (18·7–29·9) | 0·38 | |
Severe | 6·0% (4·1–8·4) | 2·8% (1·1–5·6) | 0·050 | 6·3% (3·5–10·1) | 2·9% (1·2–6·0) | 0·084 | |
Headache | |||||||
Any | 35·2% (31·1–39·5) | 32·6% (26·8–38·7) | 0·47 | 30·0% (24·3–36·2) | 24·4% (19·1–30·3) | 0·17 | |
Severe | 6·0% (4·1–8·4) | 2·0% (0·6–4·5) | 0·011 | 4·2% (2·0–7·5) | 2·5% (0·9–5·4) | 0·32 | |
Fever | |||||||
Any | 4·3% (2·7–6·4) | 1·6% (0·4–4·0) | 0·057 | 3·8% (1·7–7·0) | 3·8% (1·7–7·1) | 0·99 | |
Severe | 0·8% (0·2–2·0) | 0 | 0·31 | 0·4% (<0·1–2·3) | 0·8% (0·1–3·0) | 0·62 | |
Joint pain | |||||||
Any | 19·5% (16·2–23·2) | 20·0% (15·3–25·4) | 0·88 | 16·3% (11·8–21·5) | 11·8% (8·0–16·5) | 0·16 | |
Severe | 2·7% (1·5–4·5) | 1·2% (0·2–3·4) | 0·20 | 2·1% (0·7–4·8) | 1·3% (0·3–3·6) | 0·72 | |
Muscle pain | |||||||
Any | 17·8% (14·6–21·4) | 21·2% (16·3–26·7) | 0·26 | 18·3% (13·6–23·8) | 11·3% (7·6–16·1) | 0·032 | |
Severe | 2·3% (1·2–4·0) | 2·0% (0·6–4·5) | 1·0 | 2·1% (0·7–4·8) | 0·8% (0·1–3·0) | 0·45 | |
Rigors | |||||||
Any | 5·8% (3·9–8·2) | 5·5% (3·0–9·0) | 0·86 | 3·8% (1·7–7·0) | 3·8% (1·7–7·1) | 1·0 | |
Increased sweating | |||||||
Any | 8·9% (6·6–11·7) | 7·1% (4·2–10·9) | 0·38 | 5·0% (2·6–8·6) | 7·6% (4·5–11·7) | 0·25 | |
At least one systemic reaction | |||||||
Any | 50·3% (45·9–54·7) | 52·9% (46·6–59·2) | 0·49 | 42·9% (36·6–49·4) | 34·5% (28·4–40·9) | 0·058 | |
Severe | 10·4% (7·9–13·4) | 5·5% (3·0–9·0) | 0·022 | 8·3% (5·2–12·6) | 5·5% (2·9–9·2) | 0·22 |
Data are incidence with 95% CI in parentheses. Any reaction means all cases, irrespective of intensity.