Table 5.

Clinical Functional Outcome

Excellent	> No pain
	> Normal gait
	> Walking distance unlimited
Good	> Minor pain, occasionally
	> Analgesics only with nonsteroidal anti-inflammatory drugs
	> Walking aids (crutches, stick) occasionally
	> Walking distance ≤ 1000 m
Moderate	> Moderate pain, frequently
	> Analgesics with mild opioids
	> Walking aids (crutches, stick), continuously
	> Walking distance ≤ 100 m
Bad	> Relevant pain, continuously
	> Analgesics with strong opioids
	> Walking strongly limited (wheel chair)
	> Walking distance ≤ 10 m