BMC Musculoskeletal Disorders

Table 5 Harris hip function scores of the two group

From: Cementless bipolar hemiarthroplasty compared with proximal femoral nail anti-rotation of unstable intertrochanteric fractures in senile patients with osteoporosis: a retrospective study

Time (month)	CBH	PFNA	t value	P value
1.5	49.98 ± 21.13	31.93 ± 11.01	4.519	< 0.001^a
3	66.57 ± 16.66	47.35 ± 12.70	5.403	< 0.001^a
6	75.52 ± 11.96	60.95 ± 14.94	4.515	< 0.001^a
12	79.71 ± 11.25	73.46 ± 10.70	2.377	0.020^a
18	81.93 ± 9.87	79.56 ± 10.74	0.965	0.338
24	80.63 ± 10.16	80.85 ± 11.82	−0.085	0.993

Data are presented as means ± standard deviation. t: Student’s t-test. ^aStatistically significant between the two groups (P < 0.05)

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