Conversion from a failed proximal femoral nail anti-rotation to a cemented or uncemented total hip arthroplasty device: a retrospective review of 198 hips with previous intertrochanteric femur fractures

Table 3 Mid-term follow-up HHS

Month(s) postoperatively	UTA (n = 98)	CTA (n = 100)	p-value
1	83.36 ± 12.14	83.01 ± 12.16	0.339
6	84.63 ± 13.17	84.72 ± 13.51	0.101
12	85.45 ± 14.26	85.62 ± 14.15	0.305
24	87.16 ± 13.28	87.76 ± 13.04	0.268
36	87.17 ± 14.40	87.73 ± 12.49	0.253
48	87.34 ± 15.12	88.82 ± 15.11	0.017*
60	87.57 ± 16.02	89.36 ± 15.48	0.021*
Final follow-up	87.26 ± 16.62	89.32 ± 16.08	0.021*

*Statistically significant values
PFNA Proximal femoral nail anti-rotations, UTA Uncemented total hip arthroplasty, CTA Cemented total hip arthroplasty, HHS Harris hip score

ISSN: 1471-2474