Bruises were described as smaller in size with slow injections than with fast injections.
Mean bruising size was 18.76 ± 9.32 mm2 with the slow injection and 109.2 ± 468.66 mm2 with the fast injection (P = 0.033) at 48-hours follow-up and 21.72 ± 76.16 mm2 with the slow injection and 110.12 ± 472.86 mm2 with the fast injection (P = 0.025) at 72-hours follow-up.