Table 2: subjective part of the AOFAS score (maximum 60 points)
Pain (maximum 40 points)
None	40 points
Mild, occasional	30 points
Moderate, daily	0 points
Severe, almost always present	0 points
Function  (maximum 10 points)
No activity limitations, no support needed	10 points
No limitations of daily activities, limitation of recreational activities, no support	7 points
Limited daily and recreational activities, cane	4 points
Severe limitation of daly and recreational activities, walker, cruches, wheelchair, brace	0 points
Maximum walking distance  (maximum 5 points)
Greater than 6 blocks	5 points
4-6 blocks	4 points
1-3 blocks	2 points
Less than 1 blocks	0 points
Walking surfaces  (maximum 5 points)
No difficulty on any surface	5 points
Some difficulty on uneven terrain, stairs, inclines, ladders	3 points
Severe difficulty on uneven terrain, stairs, inclines, ladders	0 points