Table 1.

The distribution of the implants per age decade and per BMI class in ST and DT versions of all three pairs

	Apta		Apta-fix		Hydra		Hydra-fix		Recta		Recta-fix
	N	%	N	%	N	%	N	%	N	%	N	%
Age per decade
< 40	1	0.1	11	1.7	8	0.5	0	0	8	1.3	0	0
40–49	45	2.3	47	7.5	44	2.6	27	3.9	16	2.4	4	2.8
50–59	219	11	144	22.9	165	9.9	96	13.9	75	11.3	21	13.8
60–69	624	31.5	236	37.5	570	34.1	257	37.2	197	29.8	53	34.9
70–79	885	44.6	163	25.9	703	42.1	262	37.9	296	44.7	69	45.4
≥ 80	210	10.6	28	4.5	181	10.8	49	7.1	70	10.6	5	3.3
BMI class
Underweight	10	0.5	0	0	9	0.5	3	0.4	4	0.6	0	0
Normal weight	645	32.3	124	19.7	352	21.1	103	14.9	229	34.6	61	40.1
Overweight	850	42.8	270	42.9	520	31.1	234	33.9	121	18.3	61	40.1
Obese	409	20.5	208	33.1	213	12.7	168	24.3	121	18.3	49	32.2
Missing data	70	3.5	27	4.3	577	34.5	183	26.5	147	22.2	8	5.3