Table 2.

Patient characteristics and nonunion in each study group

	Iatrogenic comminution (IC group) (n = 44)	None iatrogenic comminution (NIC group) (n = 167)	p value
Age	36.3 ± 19.2	30.6 ± 18.0	0.067
Gender			0.531
Male	24	99
Female	20	68
Side			0.288
Right	20	91
Left	24	76
BMI	23.53 ± 3.88	23.52 ± 4.42	0.988
Fracture location			0.077
Supraisthmius	5	8
Isthmus	26	83
Infraisthmus	13	76
Canal width	9.97 ± 2.00	10.24 ± 1.79	0.391
Nail size	11.09 ± 1.24	11.04 ± 1.07	0.795
Nail fit ratio	1.14 ± 0.17	1.10 ± 0.15	0.131
Operative setting			0.949
Supine on fracture table	20	75
Lateral decubitus	24	92
Reduction technique			0.076
Open reduction	13	74
Close reduction	31	93
Nail entry point			0.231
Piriformis fossa	37	151
Greater trochanter	7	16
Nonunion with 12 months	14 (31.8%)	21 (12.5%)	0.002
Nonunion with 24 months	8 (18%)	11 (6.6%)	0.017