The compared study about femoral stem malalignment with or without the special curved rasp during DAA total hip arthroplasty

Table 3 The relationship between different factors and the use of curved rasp

Factors	Variable declaration	Group A (n = 37)	Group B (n = 76)	χ² or t value	P value
Gender	Male	17 (45.90)	35 (46.10)	0	0.99
	Female	20 (54.10)	41 (53.90)
Age		55 ± 15	58 ± 14	1.03	0.31
BMI		25.49 ± 3.42	24.22 ± 3.51	1.83	0.07
Femoral stem implantation angle	Femoral stem inversion	10 (27.00)	37 (48.70)	4.81	0.03*
	Neutral position	27 (73.00)	39 (51.30)

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