Novel handheld pelvic alignment guide for hollow screw fixation in osteoporotic pelvic fragility fractures

Table 1 Basic patient information and surgical details

No.	Age	Sex	Operation time (min)	Blood loss (mL)	Incision length (cm)	SSIT	IFC	Screw length (mm)	VAS score
									Pre OP	Post OP
1	64	F	98	105	3	12	15	50, 70	9	3
2	65	F	35	30	3	7	6	70	6	2
3	60	F	32	50	2	6.5	6	65	5	1
4	64	M	30	20	2	6	6	70	6	2
5	75	F	42	35	3.5	7.5	6	65	7	1
6	67	F	60	80	3	7	6	55, 50	8	2
7	67	M	35	50	3	6.5	6	80	6	1
8	82	M	28	30	2.5	5	6	75	5	2
9	64	F	58	100	2	7	6	55, 55	9	4
10	64	F	84	150	4	8	9	60, 65	7	3
Average	67.5		35.2	43.25	2.8	7.25	7	62.5	6.8	2.1

SSIT: Single screw insertion time; IFC: Intraoperative fluoroscopy count; VAS: Visual analog scale; Pre OP: Preoperative; Post OP: Postoperative.