Prediction and Potential Preventions for the Development of Posttraumatic Osteoarthritis after the Terrible Triad Injury: A Multicenter Risk Factors Study

Table 4

Incidence of moderate or severe PTOA according to the number of risk factors present.

Risk factors ()	Patients () per risk factor category	Incidence of moderate or severe PTOA
0	59	5 (8.5%)^a
1	81	25 (30.1%)^b
2	46	24 (52.2%)^c
3	12	10 (83.3%)^c

Statistical significance (^acompared to 1, 2, and 3 risk factors; ^bcompared to 0, 2, and 3 risk factors; ^ccompared to 0 and 1 risk factors).