Table 2.

Comparison of perioperative period and postoperative conditions between the two groups

Variable	Group
	Femoral neck system (n = 33)	Cannulated screws (n = 36)	χ2/t value	P value
Operation duration (min)	49.94 ± 14.46	56.11 ± 12.48	−1.902	0.062
Fluoroscopies, n	10.58 ± 1.89	18.33 ± 3.82	−10.547	0.000
Hospital length of stay (days)	5.12 ± 1.88	4.78 ± 1.55	0.830	0.410
Healing time (weeks)	13.82 ± 1.59	14.03 ± 1.78	−0.514	0.609
Harris Hip Score	90.42 ± 4.82	88.44 ± 5.91	1.517	0.134
Excellent and good rate	30 (90.9)	32 (88.9)	0.015	0.903
Complications	2 (6.1)	9 (25.0)	4.609	0.032
Nonunion of bone	0 (0)	2 (5.6)
Nail retreat	0 (0)	2 (5.6)
Femoral neck shortening	1 (3.0)	3 (8.3)
Cut out the internal fixation	1 (3.0)	2 (5.6)

Data are presented as n (%) or mean ± standard deviation unless otherwise indicated