Table 3.

Previously reported values for the accuracy of femoral rotation angle

Authors	Mean	IR	ER	Range	>5° error	PCL
Heesterbeek et al. [6]a	4° (4.3°)	4°	13°	17°	51 % >3°	+
Kaipel et al. [11]	2.5°	3°	7°	10°		+
Schnurr e al [18]a	4.4° (3.7°)	11.5°	11.8°	23.8°		+
Vaidya et al. [22]a	2.67° (1.11°)					−
Walde et al. [23]b	0.6° (0.07°)	3.0°	2.4°	5.4°		c
Witoolkollachit et al. [24]a	2.39° (2.80°)	8.29°	2.22°	10.51°		−
Yau et al. [25]a	0.8° (3°)	14°	12°	26°	20 %	−

IR internal rotation, ER external rotation

^aValues are expressed as mean (SD)

^bValues are expressed as mean (SE)

^cNo description