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Table.2 Previous studies and matched cases

From: Characteristics of intramedullary nail breakage in pertrochanteric femur fractures: a summary of 70 cases

Broken nails (n = 64)

Papers (n = 19)

13

Tomás-Hernández (2018)

11

Lambers (2019) and von Rüden (2015)

8

Cruz-Sánchez (2015)

4

Álvarez (2004)

2

Kasimatis (2007), Rappold (2001) and Gaebler (1999)

1

Rollo (2018), Zheng (2017), Sbiyaa (2016), Giannoudis (2013), Iwakura (2013), Maniscalco (2013), Wee (2009), Karladani (2006), Yoshino (2006), Wozasek (2002) and Van de Brink (1995)