Table 4.

Outcome analysis related to presence of IFP edema

	IFP edema present	IFP edema absent	P-Value
Case Number [n, (%), total n = 30]	10 (33.3%)	20 (66.7%)
Mean Age at Surgery [years]	30.9 (±10.4)	26.9 (±6.6)	P = 0.270
Mean Follow-up [years]	3.5 (±1.5)	4.5(±3.4)	P = 0,555
VISA-P score preop. [points]	48.3 (±9.4)	59.9(±12.3)	P  = 0.024*
VISA-P score postop. [points]	91.7 (±11.3)	97.3 (±5.3)	P = 0.184
Mod. Blazina score preop. [points]	4.4 (±0.7)	3.9 (±0.8)	P = 0.106
Mod. Blazina score postop. [points]	0.6 (±0.7)	0.2 (±0.5)	P  = 0.024*
Subjective Knee Function (SANE) preop.	33.5 (±16.0)	50.8 (±16.0)	P  = 0.016*
Subjective Knee Function (SANE) postop.	86.0 (±8.8)	94.3 (±7.5)	P  = 0.009*
Pain (VAS) preop.	6.5 (±1.5)	5.4 (±1.0)	P = 0.054
Pain (VAS) postop.	1.0 (±1.2)	0.3 (±0.8)	P  = 0.009*
Mean Time Period for Return to Sports [months]	6.5 (±3.8)	2.8 (±2.0)	P  = 0.003*

*: indicates statistical significance with P< 0.05