From Evernote:

Pediatrics -- Bakhos et al. 126 (3): e550 Table 1 Look at bicycles and head injuries. Clipped from: http://pediatrics.aappublications.org/cgi/content-nw/full/126/3/e550/T1

TABLE 1 Individual and Leisure SRC Separated by Age and Sport From 2001 to 2005 With Corresponding Percentages of Values With 95% CI

Sport 8- to 13-y-olds 14- to 19-y-olds 8- to 19-y-olds Estimated ED Visits % of All SRC Estimated ED Visits % of All SRC % of All SRC Bicycle 18 252 (12 089–24 416) 17.8 (14.7–20.9) 11 031 (7137–14 926) 7.3 (5.9–8.7) 11.6 (9.8–13.3) Playground 7274 (4738–9810) 7.1 (5.3–8.9) 802 (232–1372) 0.5 (0.1–0.9) 3.2 (2.4–4.0) Snow skiing 5371 (0–11 195) 5.2 (0.1–10.4) 10 868 (0–22 712) 7.2 (0.4–14.1) 6.4 (0.3–12.6) Skateboarding 4647 (2180–7114) 4.5 (2.7–6.4) 4403 (2076–6731) 2.9 (1.6–4.3) 3.6 (2.1–5.0) Horseback riding 3413 (1843–4983) 3.3 (2.1–4.5) 2849 (1623–4074) 1.9 (1.2–2.6) 2.5 (1.8–3.2) Ice skating 2708 (1173–4243) 2.6 (1.3–4.0) 795 (178–1413) 0.5 (0.1–0.9) 1.4 (0.7–2.1) Sledding 2476 (517–4434) 2.4 (0.8–4.0) 1104 (384–1824) 0.7 (0.3–1.2) 1.4 (0.7–2.1) Combative 1809 (792–2825) 1.8 (1.0–2.6) 5496 (3248–7774) 3.6 (2.4–4.9) 2.9 (2.0–3.7)