TABLE 4.

Multivariate Model Analysis^*

					Patients Meeting Criteria, n
Criteria Met, n	Sensitivity	Specificity	Positive Likelihood Ratio	Negative Likelihood Ratio	Y-RTS Group	N-RTS Group
0	1.00	0.00	1.00	Undefned	1	5
1	0.98	0.12	1.11	0.16	6	23
2	0.87	0.67	2.60	0.20	27	13
3	0.35	0.98	14.54	0.67	18	1

Abbreviations: N-RTS, patients indicating they had not returned to preinjury levels of sports participation; Y-RTS, patients indicating they had returned to preinjury levels of sports participation.

^*Variables included in the model: no knee joint effusion, no episodes of knee instability, International Knee Documentation Committee Subjective Knee Evaluation Form (0–100) score greater than 93 (area under curve, 0.815; P<.001).