Cemented versus uncemented total hip replacement for femoral neck fractures in elderly patients: a retrospective, multicentre study with a mean 5-year follow-up

Table 1 Patient demographics and outcomes

Variable	CTR^a (n = 132)	UTR^b (n = 136)	p value
Sex, M/F	68/64	65/71	0.542^c
Age, years	67.43 ± 6.51	67.65 ± 6.13	0.351^d
BMI, kg/m²	26.33 ± 5.14	26.84 ± 6.45	0.186^d
BMD	− 3.64 ± 0.73	− 3.65 ± 0.29	0.125^d
Side, left/right	74/58	70/66	0.451^c
FNFs			0.486^e
AO/OTA type 31B	93 (70.5)	101 (74.3)
AO/OTA type 31C	39 (29.5)	35 (25.7)
Comorbidities, n (%)			0.986^e
Hypertension	35 (26.5)	31 (22.8)
Diabetes mellitus	32 (24.2)	26 (19.1)
Cerebrovascular accident	14 (10.6)	13 (9.6)
Mechanism of injury, n (%)			0.330^e
Traffic-related injury	32 (24.2)	35 (25.7)
Injury by falling	73 (55.3)	82 (60.3)
Tamp injury	27 (20.5)	19 (14.0)
ASA index, n (%)			0.800^e
I	36 (27.3)	35 (25.7)
II	58 (43.9)	67 (49.3)
III	38 (28.8)	34 (25.0)
Preoperative HHS	58.37 ± 14.26	57.69 ± 16.31	0.182^d
Follow-up period (months)	62.25 ± 12.13	63.43 ± 12.71	0.139^d

CTR cemented total hip replacement, UTR uncemented total hip replacement, HHS Harris hip score, ASA American Society of Anesthesiologists, BMI body mass index, BMD bone mineral density, FNFs femoral neck fractures
^aExeter Universal stem combined with the All-poly cup (Stryker, Mahwah, NJ)
^bTaperloc stem (Biomet, Warsaw, IN) combined with a ram-extruded bar stock polyethylene cup (GUR 415; Hoechst Celanese Corp, Houston, TX)
^cAnalysed using the chi-square test
^dAnalysed using an independent samples T test
^eAnalysed using the Mann–Whitney test

ISSN: 1749-799X