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. Author manuscript; available in PMC: 2019 Apr 29.
Published in final edited form as: Am J Sports Med. 2011 Nov 23;40(3):521–526. doi: 10.1177/0363546511429776

TABLE 5.

Association Between Categories of LESS and ACL Injury Risk: Odds Ratioa

Group LESS Category (n) Odds Ratio (95% CI) P Value

All Excellent (29)     1 (reference)
Good (19) 1.49 (0.34–6.53) .60
Moderate (17)   2.59 (0.61–10.99) .20
Poor(27)   3.62 (0.87–15.11) .08
Male Excellent (6)     1 (reference)
Good (5) 0.70 (0.06–8.89) .78
Moderate (7) 0.76 (0.06–9.06) .83
Poor (11)   1.02 (0.07–14.27) .99
Female Excellent (23)     1 (reference)
Good (14)  2.25 (0.33–15.34) .41
Moderate (10)  4.74 (0.68–32.95) .12
Poor(16)  5.86 (0.94–36.47) .06
High school Excellent (13)    1 (reference)
Good (11) Unable to estimate
Moderate (11) 1.32 (0.21–8.35) .77
Poor (21)   4.00 (0.60–26.53) .15
College Excellent (16)    1 (reference)
Good (8) 6.08 (0.61–60.32) .12
Moderate (6) 11.41 (0.71–184.56) .09
Poor (6) 2.28 (0.12–43.06) .58
a

LESS, Landing Error Scoring System; ACL, anterior cruciate ligament; CI, confidence interval.