Table 2.

Scoring guide for overall Paprosky type based on the four radiographic features

Teardrop defect	Ischial defect	Kohler’s line	Superior defect	Paprosky type
T1	I1	K1	S1	I
T1	I2	K1	S2	IIA
T1	I2	K1	S3	IIB
T2	I2	K2	S2, S3	IIC
T2	I3	K1	S4	IIIA
T3	I4	K2	S4	IIIB