Cemented hemiarthroplasty versus proximal femoral nail antirotation in the management of intertrochanteric femoral fractures in the elderly: a case control study

Table 4 Postoperative cumulative mortality in both groups

Mortality	HA (N = 45)	PFNA (N = 54)	Statistical analysis	P value
9 Months	2 (4.44%)	2 (3.70%)	χ² = 0.035	0.85
12 Months	4 (8.89%)	4 (7.41%)	χ² = 0.073	0.79
15 Months	5 (11.11%)	5 (9.26%)	χ² = 0.093	0.76
18 Months	8 (17.78%)	7 (12.96%)	χ² = 0.443	0.51
21 Months	8 (17.78%)	9 (16.67%)	χ² = 0.021	0.84
24 Months	11 (24.44%)	13 (24.07%)	χ² = 0.002	0.97
27 Months	11 (24.44%)	15 (27.78%)	χ² = 0.141	0.71
30 Months	12 (26.67%)	16 (29.63%)	χ² = 0.106	0.74

Table 4. The postoperative cumulative mortality at each follow-up time point from 9 to 30 months after surgery. There were no differences between the two groups at follow-up. Abbreviations: HA Hemiarthroplasty, PFNA Proximal femoral nail antirotation

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