A Retrospective Study on Insertion Torque and Implant Stability Quotient (ISQ) as Stability Parameters for Immediate Loading of Implants in Fresh Extraction Sockets

Table 2

Study design: all data and variables of test and control groups are summarized.

Patient ID	Implant ID	Sex	Age	Implant Position	Implant (diameter × length) (mm)	ITV (N/cm)	Mean ISQ at t0	Mean ISQ at t1
Test group
1	1	F	55	3.1	3.1 × 16	34	58.5	66.5
	2			4.1	3.1 × 16	50	59	67
2	3	F	58	3.1	3.1 × 16	41	56	65.5
3	4	F	59	1.4	3.7 × 16	80	57	68.5
4	5	M	55	1.1	3.7 × 16	51	59.5	67
5	6	F	73	1.4	3.7 × 16	45	56	65.5
6	7	F	43	1.4	3.7 × 16	51	59.5	69
7	8	F	77	1.4	3.7 × 16	36	55.5	66.5
	9			1.5	4.1 × 11.5	67	59.5	65.5
8	10	M	61	1.4	3.7 × 16	80	59.5	63
9	11	F	61	1.1	3.7 × 16	32	54.5	69.5
	12			1.2	3.7 × 13	43	56	62
	13			1.3	3.7 × 16	37	56	69
	14			1.4	3.7 × 13	32	59.5	74
10	15	M	74	1.3	3.7 × 16	48	56.5	71
	16			1.4	3.7 × 16	54	59.5	76.5
	17			1.5	3.7 × 13	63	59.5	74
11	18	F	75	2.1	3.7 × 16	31	54.5	76
			μ = 62.8			μ = 48.61	μ = 57.55	μ = 68.66
			σ = 10.7			σ = 15.39	σ = 1.93	σ = 4.20
Control group
12	19	M	69	3.4	3.7 × 11.5	52	68.5	73.5
13	20	M	79	4.4	3.7 × 10	80	78	80
	21			4.5	3.7 × 10	65	83.5	84
14	22	F	64	1.5	3.7 × 13	80	73	77.5
	23			1.4	3.7 × 16	80	77	77
	24			1.3	3.7 × 16	80	74	77
	25			1.1	3.7 × 16	70	80	73.5
	26			2.1	3.7 × 16	80	81	69.5
15	27	M	70	4.5	3.7 × 8	80	81	82
	28			4.6	3.7 × 8	80	72	74
	29			3.5	3.7 × 8	35	67	68.5
	30			3.6	3.7 × 8	35	66	68
16	31	F	47	1.2	3.7 × 13	62	67	69
17	32	F	63	4.4	3.7 × 16	80	76.5	77.5
	33			4.2	3.7 × 16	80	70.5	74.5
	34			3.2	3.7 × 16	80	74.5	75.5
	35			3.4	3.7 × 16	80	68	70.5
18	36	M	66	1.5	3.7 × 13	80	68.5	75
	37			1.4	3.7 × 13	80	72	73
	38			1.3	3.7 × 13	62	72.5	71
	39			2.3	3.7 × 13	49	66.5	73
	40			2.4	3.7 × 13	71	68.5	77
	41			2.5	3.7 × 13	80	70.5	74
			μ = 65.4			μ = 70.47	μ = 72.86	Μ = 74.54
			σ = 9.7			σ = 14.71	σ = 5.25	σ = 4.17