Table 2.

Incidence and complications of prophylactic fixation

Study	Number of patients	Fixation	Mean followup (years)	Periimplant fracture (number of patients)	AVN (number of patients)	Infection (number of patients)
Dewnany and Radford [8]	65	Single large (7.0-mm) cannulated screw	6.5	0 (0%)	0 (0%)	1 (1.5%)
Ghanem et al. [11]	74	Single large holothreaded screw	5.5	1 (1.4%)	0 (0%)	0 (0%)
Kumm et al. [16]	34	Single large (7.0-mm) cannulated dynamic screw	5.4	0 (0%)	0 (0%)	0 (0%)
Current study	99	Single large (6.5-/7.3-mm) cannulated screw	2.7	2 (2%)	2 (2%)	0 (0%)

AVN = avascular necrosis.