Table 2.

Bone bruise characteristics

Prevalence
BB prevalent	BB absent
n = 112	n = 10
91.8%	8.2%

Distribution
Compartment	Frequency (n)	Frequency (%)
LTP	112	91.8
LFC	79	64.8
MTP	60	49.2
MFC	35	28.7

Lateral versus medial distribution
LTP and/or LFC	MTP and/or MFC
n = 71	n = 41
58.2%	33.6%

Severity
Costa-Paz I	Costa-Paz II		Costa-Paz III
n = 23	n = 71		n = 18
18.9%	58.2%		14.8%

LFNS	ABF	LFNS + ABF
n = 12	n = 3	n = 2
9.8%	2.5%	1.6%

BB prevalence (sample n = 122); distribution pattern, more common lateral versus less common medial distribution, severity according to Costa-Paz et al. [24] grade I–III

LTP lateral tibial plateau, LFC lateral femoral condyle, MTP medial tibial plateau, MFC medial femoral condyle, LFNS “Lateral femoral notch sign”, ABF “Apple bite fracture”