Table 2.

The measurements of all cadaveric bone patellae in millimeters with and without prior harvest of bone patellar tendon bone site.

Trial	AP depth before resurface	AP depth after resurface	AP depth after button placement	SI length (max)	ML width (max)	Trough to cut	Material lost
Cemented cadaveric patellae without prior BPTB autograft
No BPTB 1	22.97	14.29	23.52	37.33	45.70	N/A	N/A
No BPTB 2	22.10	11.86	20.12	37.74	40.19	N/A	N/A
No BPTB 3	21.85	14.28	22.10	39.20	40.38	N/A	N/A
No BPTB 4	27.14	19.64	28.16	47.14	48.47	N/A	N/A
No BPTB 5	19.21	12.90	21.46	36.86	43.10	N/A	N/A
Cemented cadaveric patellae with prior BPTB autograft
BPTB 1	23.21	14.01	22.62	38.87	48.28	8.68	5.33
BPTB 2	21.57	12.38	20.48	36.82	38.86	6.97	5.41
BPTB 3	20.01	14.09	22.12	40.12	40.31	7.28	6.81
BPTB 4	26.56	17.50	25.50	45.17	40.78	9.76	7.74
BPTB 5	20.29	11.79	20.91	40.07	45.67	5.68	6.11

AP, anterior posterior; BPTB, bone patellar tendon bone; ML, medial lateral; SI, superior inferior.