Does meniscectomy have any advantage over conservative treatment in middle-aged patients with degenerative medial meniscus posterior root tear?

Table 4 Comparison of the radiological outcomes

	Meniscectomy group (n = 90)	Conservative group (n = 56)	P-value†
HKAA† (varus, °)	4.3 ± 2.3	3.6 ± 2.5	0.04
Width of medial joint space† (mm)	3.1 ± 1.1	3.5 ± 1.2	0.03
K-L grade‡
Grade I	3	5	0.03
Grade II	25	22
Grade III	45	26
Grade IV	17	3

†Independent t-test. ‡Fisher’s exact test. The p-values reflect the results of inter-group comparisons, with p < 0.05 indicating significance. HKAA Hip-knee-ankle angle, K-L Kellgren-Lawrence

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