Homecare time (months) according to frequency of home accesses, degree of dependence, and number of ulcers. Number of home accesses: 0.25 = one access in 4 weeks, 0.5 = one access in 2 weeks, 1 = one access/week, 2 = two accesses/week, 3 = three accesses/week, 5 = five accesses/week.