Table 1.

Patient demographics in pediatric and adults groups (from the main data registry).

Patients’s demographics	Positive fatpad/effusion (n = 634)	Negative fatpad/effusion (n = 675)	p value*
Age (years)
Pediatrics (n = 490)	8.6 (1–18)	10.95 (0–18)	< 0.005
Adults (n = 819)	49.56 (19–97)	49.85 (19–98)	0.83
Sex (pediatric)
Female	134 (121)	109 (126)	0.17
Sex (adults)
Female	146 (233)	223 (217)	< 0.005

*Two-sample t-test significant test.