A retrospective analysis of the InterTan nail and proximal femoral nail anti-rotation in the treatment of intertrochanteric fractures in elderly patients with osteoporosis: a minimum follow-up of 3 years

Table 2 Patient demographics and outcomes

Variable	IT^a (n = 144)	PFNA^b (n = 139)	P value
Sex, no. M/F	64/80	53/86	0.281*^c
Age (years)			0.839*^d
65–69	40	36
70–79	76	74
80–89	22	20
90–92	6	9
BMI, kg/m²	26.1 ± 2.1	25.7 ± 1.9	0.130*^e
BMD	−3.7 ± 0.3	−3.7 ± 0.4	0.179*^e
Medical complications	9	7	0.658*^c
Side, no. Left/right	81/63	72/67	0.453*^c
OTA fracture type, no.			0.679*^d
31A2.1	44	36
31A2.2	72	75
31A2.3	28	28
ASA classification			0.501*^d
1	23	25
2	65	57
3	49	54
4	7	3
Injury operation interval			0.702*^d
< 24 h	22	23
24–48 h	77	79
48–72 h	29	27
> 72 h	16	10
Follow-up (months)	38.7 ± 3.55	39.1 ± 3.43	0.408*^e

IT InterTAN nail, PFNA proximal femoral nail anti-rotation, ASA American Society of Anesthesiologists, BMI body mass index, BMD bone mineral density
*No statistically significant values
^aSmith & Nephew, Memphis, Tennessee
^bSynthes, Solothurn, Switzerland
^cAnalyzed using chi-square test
^dAnalyzed using the Mann-Whitney test
^eAnalyzed using independent samples t-test

ISSN: 1749-799X