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Breakdown of patients’ (n = 80) expectations preoperatively, the situation preoperatively, and outcome concerning walking ability. Crutches: the need for crutches or some other device to move more than a few steps; indoors: able to walk indoors; < 1 km: able to walk indoors and less than 1 km outdoors; > 1 km: able to walk more than 1 km; unlimited: unlimited walking on even ground; uneven terrain: unlimited walking on uneven terrain.
