Intraoperative Patella Dimension Measurement in Asian Female Patients and Its Relevance in Patellar Resurfacing in TKA

Table 2

Comparison of patella dimensions between the right and left side (n = 156).

Variables (mm)	Right side, mean (SD)	Left side, mean (SD)	Mean difference (95% CI)	t statistics (df)	value
Patella height	31.41 (2.88)	31.24 (2.77)	0.17 (−1.11, 1.45)	0.27 (76)	0.790
Patella width	40.67 (3.62)	40.85 (4.02)	−0.18 (−1.90, 1.54)	−0.21 (76)	0.835
Patella thickness	20.82 (2.06)	20.65 (1.61)	0.17 (−0.67, 1.01)	0.40 (76)	0.691
MF width	19.22 (2.66)	19.55 (2.77)	−0.33 (−1.56, 0.89)	−0.54 (76)	0.588
LF width	21.30 (2.35)	21.30 (2.20)	0.01 (−1.02, 1.04)	0.02 (76)	0.988

MF = medial facet; LF = lateral facet.