Table 2.

Percentages of bone ongrowth and residual hydroxyapatite coating

Patient number	Bone ongrowth (%)				Residual hydroxyapatite (%)
	1A–7A	1B–7B	1C–7C	Mean	1A–7A	1B–7B	1C–7C	Mean
1	51	40	39	44	15	68	83	55
2	34	18	27	26	2	3	4	3
3	48	54	67	56	12	20	31	21
4	25	25	42	31	NA	NA	NA	NA
5	61	45	48	51	50	68	77	65
6	37	35	37	37	11	18	14	14
7	36	52	49	46	5	7	11	8
8	33	12	21	22	3	2	8	3
9	40	55	54	50	31	31	41	34
10	6	40	36	28	0	10	5.6	5
11	24	54	56	45	2	10	11	8
12	9	19	27	18	0	0	0	0
13	40	35	52	42	6	11	20	12

A = proximal; B = medial; C = distal; NA = not available.