The vertical hip fracture – a treatment challenge. A cohort study with an up to 9 year follow-up of 137 consecutive hips treated with sliding hip screw and antirotation screw

Table 3 Logistic regression to evaluate risk factors for reoperation

	No reoperation n = 113^a	Reoperation n = 24	Multivaiable Logistic regression OR (95% CI) p-value
Age n (%)
−80	42 (75)	14 (25)	1^b
81-	71 (88)	10 (12)	0.4 (0.2-1.2) 0.1
Gender n (%)
Female	64 (83)	13 (17)	1^b
Male	49 (82)	11 (18)	1.0 (0.4-2.9) 1.0
Cognitive dysfunction n (%)
No	90 (81)	21 (19)	1 ^b
Yes	23 (89)	1 (12)	0.4 (0.1-1.9) 0.3
Primary fracture type n (%)
Basicervical	78 (84)	15 (16)	1^b
Pauwels type 3	35 (80)	9 (21)	1.1 (0.4-3.2) 0.9
Displaced fracture n (%)
No	32 (97)	1 (3)	1 ^b
Yes	81 (78)	23 (22)	11 (1.4-86) 0.02
Fracture reduction n (%)
Adequate	102 (85)	18 (15)	1 ^b
Poor	14 (78)	4 (22)	0.6 (0.1-2.3) 0.4
Implant position n (%)
Adequate	102 S(85)	18 (15)	1 ^b
Poor	10 (63)	6 (38)	4.1 (1.1-15) 0.04

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