Table 1.

Characteristics of patients (N = 71) in each implant treatment group.

	Implant treatment group
Characteristic	B-1 (n = 19)	B-2 (n = 23)	L-1 (n = 17)	L-2 (n = 12)	P
Age, years (mean ± SD)	55.91 ± 5.06	51.86 ± 13.46	53.52 ± 10.97	55.74 ± 6.60	.813†
Implants per patient, n (%)					<.01§
1	16 (84.2)	17 (73.9)	11 (64.7)	3 (25)
2	3 (15.8)	5 (21.7)	6 (35.3)	8 (66.7)
3	0 (0.0)	1 (4.4)	0 (0.0)	0 (0.0)
4	0 (0.0)	0 (0.0)	0 (0.0)	1 (8.3)
Total treatment, days (mean ± SD)	270.27 ± 114.99	401.43 ± 117.32	263.00 ± 63.02	458.87 ± 139.98	<.01†