Prevalence of osteochondral lesions in the fetlock and hock joints of Standardbred horses that survived bacterial infection before 6 months of age

Table 3 Comparison to existing literature

Cohort	Horse prevalence	Fetlock prevalence	Hock prevalence	Bilateral lesions	Location of POF^a
Sepsis cohort	19/28 horses (67.9%)*	14/28 horses (50%)*	11/28 horses (39.3%)*	Hock lesions: 72.7% Fetlock lesions: 42.8% DP1^b: 33.3% bilateral POF: 25% bilateral	94% hind limb: 6% fore limb 61% medial: 39% lateral
AMG cohort [17]	318/753 horses (42.2%)*	89/753 horses (11.8%)*	108/753 horses (14.3%)*	Hock OCD: 45.4% bilateral DP1: 12.4% bilateral	94% hind limb: 6% fore limb 76.3% medial: 23.7% lateral
JP cohort [31]	285/793 horses (35.9%)*	178/793 horses (22.4%)*	91/793 horses (11.5%)*	Hock OC: 45% bilateral	95.6% hind limb: 4.4% fore limb 75.5% medial: 24.5% lateral
SL cohort [30]	179/363 horses (50.7%)	84/363 horses (23.1%)*	70/363 horses (19.3%)*	DIRT OCD: 37.1% bilateral POF: 17.9% bilateral	–

^aPOF: Palmaro−/plantaro-proximal osteochondral fragment. *Statistically significantly higher in the sepsis cohort than the comparison cohorts at at p values from < 0.0001 to 0.01. ^bDP1: Lesions at the dorso-proximal border of the first phalanx

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