Table 3.

The main results of the research

Variable	PFNA (n = 110)	DHS (n = 112)	P value
Total complications	25	50
Patients affected	18 (16.4 %)	39 (34.8 %)	0.002
Medical complications	7	8
Patients affected	6 (5.5 %)	6 (5.4 %)	0.974
Pressure sore	2	3
Pulmonary infection	1	1
Urinary tract infection	1	1
Deep venous thrombosis	1	1
Atrial fibrillation	1	1
Acute renal failure	0	0
Other	1	1
Orthopaedic complications	18	42
Patients affected	12 (10.9 %)	33 (29.5 %)	0.001
Periprosthetic fracture	1	5
Femur shaft fracture after implant removed	3	10	0.049
Prosthetic instability	1	4
limb length discrepancy (>2.5 cm)	1	1
Malunion	1	2
Nonunion	2	4
Cutout	1	3
Abductor tendon deficiency	3	2
Heterotopic ossification	1	2
Intraoperative nerve injury	1	3
Implant failure	1	1
Aseptic loosening	0	1
Periprosthetic infection	1	2
Osteolysis with well-fixed implants	0	1
Wound infection	1	1
Reoperation required in one year follow-up	0(0.0 %)	6(5.4 %)	0.029
Reoperation required in two years follow-up	1(0.9 %)	4(8.9 %)	0.035
Reoperation required in three years follow-up	1(1.8 %)	2(10.7 %)	0.006
Reoperation required in four years follow-up	3(4.5 %)	2(12.5 %)	0.034
Reoperation required at last follow-up	2(6.4 %)	1(13.4 %)	0.080