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Table 3 Comparison of proportions of ankle injuries by sport and diagnosis among individuals treated in US emergency departments from 2009 through 2013 (NEISS) and seen by athletic trainers in high school (HS RIO) and collegiate (NCAA-ISP) settings during the 2009/10–2013/14 academic years

From: Epidemiologic comparison of ankle injuries presenting to US emergency departments versus high school and collegiate athletic training settings

Variable 14–17 year olds (High School Age Range) 18–22 year olds (College Age Range)
HS RIO NEISS IPRa NCAA-ISP NEISS IPRc
% (95% CI) % (95% CI) % (95% CI) % (95% CI)
Sport
 Football 31.2 (30.0–32.5) 18.0 (16.3–19.6) 1.7b 41.0 (39.1–42.8) 11.0 (9.7–12.3) 3.6d
 Baseball 2.2 (1.8–2.5) 3.5 (2.9–4.0) 0.6b 2.0 (1.5–2.5) 2.5 (2.0–3.0) 0.8
 Softball 3.3 (2.9–3.8) 4.3 (3.7–5.0) 0.8 2.0 (1.5–2.5) 1.8 (1.2–2.4) 1.1
 Male Basketball 15.3 (14.3–16.2) 41.0 (37.9–44.1) 0.4b 12.8 (11.6–14.1) 65.8 (63.7–67.9) 0.2d
 Female Basketball 12.5 (11.6–13.4) 9.9 (9.0–10.9) 1.3b 8.7 (7.7–9.8) 4.8 (4.1–5.5) 1.8d
 Male Lacrosse 2.1 (1.7–2.5) 0.7 (0.4–0.9) 3.0b 4.2 (3.4–4.9) 0.4 (0.2–0.6) 10.4d
 Female Lacrosse 1.9 (1.6–2.3) 0.6 (0.3–0.9) 3.2b 3.2 (2.6–3.9) 0.2 (0.0–0.3) 18.8d
 Male Soccer 7.3 (6.6–8.0) 7.2 (6.1–8.2) 1.0 7.6 (6.6–8.6) 8.1 (7.0–9.3) 0.9
 Female Soccer 11.1 (10.3–11.9) 8.2 (6.8–9.6) 1.4b 11.0 (9.8–12.2) 2.9 (2.3–3.6) 3.7d
 Volleyball 8.7 (7.9–9.4) 4.8 (4.0–5.6) 1.8b 4.7 (3.9–5.5) 1.8 (1.4–2.3) 2.6d
 Field Hockey 1.4 (1.1–1.7) 0.2 (0.1–0.4) 7.0b 0.7 (0.4–1.0) 0.0 (0.0–0.0) 56.8d
 Wrestling 3.0 (2.6–3.5) 1.6 (1.3–1.9) 1.9b 2.1 (1.6–2.6) 0.6 (0.3–0.9) 3.6d
Diagnosis
 Contusion 1.8 (1.4–2.1) 2.2 (1.9–2.6) 0.8 4.6 (3.8–5.4) 2.4 (2.0–2.8) 1.9d
 Dislocation 0.3 (0.1–0.4) 0.2 (0.1–0.3) 1.5 0.1 (0.0–0.3) 0.3 (0.2–0.4) 0.3
 Fracture 3.8 (3.3–4.3) 9.7 (8.6–10.8) 0.4b 0.8 (0.5–1.1) 9.3 (8.3–10.3) 0.1d
 Laceration 0.0 (0.0–0.0) 0.1 (0.0–0.2) 0.0 0.1 (0.0–0.2) 1.4 (1.1–1.6) 0.1d
 Sprain/Strain 92.2 (90.7–93.6) 81.8 (76.5–87.1) 1.1b 89.3 (88.2–90.5) 80.4 (75.5–85.2) 1.1d
 Other 2.0 (1.0–3.1) 6.0 (0.3–11.7) 0.3 5.0 (4.2–5.8) 6.2 (1.2–11.3) 0.8
  1. aCompares HS RIO to NEISS
  2. bindicates no overlap between 95% confidence intervals
  3. cCompares NCAA-ISP to NEISS
  4. dindicates no overlap between 95% confidence intervals