A retrospective analysis of the InterTan nail and proximal femoral nail anti-rotation-Asia in the treatment of unstable intertrochanteric femur fractures in the elderly

Table 1 Perioperative data of patients

Variable	PFNA-II group (n = 72)^a	IT group (n = 75)^b	p
Sex, no. M/F	32/40	35/40	0.787
Mean ± SD age, years	74.2 ± 9.1	75.2 ± 8.8	0.526
Side, no. left/right	38/34	43/32	0.579
AO/OTA fracture type, no.
31A2.1	6	8	0.630
31A2.2	19	24	0.455
31A2.3	10	8	0.551
31A3.1	21	15	0.196
31A3.2	11	16	0.343
31A3.3	5	4	0.950
Mean operative time, minutes	52.3 ± 4.0	71.9 ± 6.8	0.000
Mean blood loss, mL	180.9 ± 10.8	190.6 ± 6.0	0.000
Mean fluoroscopy time, minutes	2.8 ± 0.33	5.0 ± 0.48	0.000
Mean hospital stay, days	8.58 ± 0.93	9.65 ± 0.95	0.000
TAD, mm	23.2 ± 1.22	26.7 ± 0.91	0.000

Abbreviation: IT interTAN nail, PFNA-II proximal femoral nail anti-rotation-Asia, TAD tip-apex distance
^aSynthes, Solothurn, Switzerland
^bSmith & Nephew, Memphis, Tennessee

ISSN: 1749-799X