Table 5.

OKS per group for each time-point. Values are median [IQR] (range)

Group	Preoperative	6 weeks	3 months
1	19 [14–24] (3–36)	35 [30–40] (12–48)	40 [34–44] (21–48)
2	23 [19–27] (3–37)	26 [22–31] (11–42)	37 [34–42] (16–48)
3	27 [22–31] (5–45)	26 [21–31] (5–46)	29 [24–34] (9–47)
4	19 [16–25] (9–28)	32 [27–36] 19–39)	25 [20–28] (15–33)

Group 1–4: See Table 3.