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Table 5 Univariable logistic regression models (n = 497, ACL+ = 316, ACL− = 181) assessing in the odds (95%CI) of an ACL tear

From: Towards improving the identification of anterior cruciate ligament tears in primary point-of-care settings

Variable

Reference

Estimate (SE)

OR (95% CI)

P-value

Age (years)

–

0.08 (0.03)

1.08 (1.03,1.14)

0.001

Sex (male/female)

Male

−0.21 (0.21)

0.66 (0.29,1.47)

0.306

Sport-related injury (sport/ non-sport)

Sport

0.54 (0.32)

2.97 (0.83,10.60)

0.094

Time between injury and consultation (days)

–

−0.0005 (0.001)

1.00 (0.99,1.00)

0.762

Valgus stress test (+/−)

+

−0.19 (0.46)

0.68 (0.11,4.20)

0.679

Lachman test result (+/−)

+

2.60 (0.22)

181.99 (75.73,437.31)

< 0.001

Varus stress test (+/−)

+

6.09 (586.8)

> 999.99 (< 0.001,> 999.99)

0.992

Posterior drawer test (+/−)

+

0.14 (0.54)

1.32 (0.16,11.06)

0.796

Family history (yes/no)

Yes

0.76 (0.35)

4.55 (1.14,18.15)

0.032

Immediate swelling (yes/no)

Yes

0.81 (0.25)

5.02 (1.92,13.14)

0.001

  1. ACL Anterior Cruciate Ligament, ACL+ ACL full-thickness tear, ACL− ACL intact, SE standard error, OR odds ratio, CI confidence interval, + = positive test result, − = negative test result