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. 2014 Sep 1;14:474. doi: 10.1186/1471-2334-14-474

Table 1.

Immediate AEs by injection session (n = 15,565)

Incidence1per injection session Regression of AEs2
Bleeding 529 (3.4%) [3.1%; 3.7%] 425/455 (93.4%)
Bruising 365 (2.3%) [2.1%; 2.6%] 299/324 (92.3%)
Pain 319 (2.0%) [1.8%; 2.3%] 264/285 (92.6%)
Redness at point of injection 257 (1.6%) [1.4%; 1.9%] 212/236 (89.8%)
Facial oedema 107 (0.7%) [0.6%; 0.8%] 97/101 (96.0%)

1n (%) [CI 95% exact].

2n (% calculated on documented data).