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. 2022 Nov 17;23:988. doi: 10.1186/s12891-022-05926-1

Table 8.

BML change overview baseline to 24 months follow-up

N = 232 All knees No ROA ROA P
Frequency Percent Frequency Percent Frequency Percent
Change in number of subregions having BMLs: #subregions with BMLs at follow-up—#subregions with BMLs at baseline
Knee Number of regions -4 2 0.9 1 0.9 1 0.8 0.2606
-2 10 4.3 3 2.7 7 5.7
-1 41 17.7 16 14.5 25 20.5
0 140 60.3 83 75.5 57 46.7
1 33 14.2 5 4.5 28 23.0
2 5 2.2 2 1.8 3 2.5
4 1 0.4 0 0.0 1 0.8
MFTJ Number of regions -1 23 9.9 6 5.5 17 13.9 0.4520
0 187 80.6 101 91.8 86 70.5
1 20 8.6 3 2.7 17 13.9
2 2 0.9 0 0.0 2 1.6
LFTJ Number of regions -3 1 0.4 0 0.0 1 0.8 0.9946
-2 1 0.4 0 0.0 1 0.8
-1 15 6.5 4 3.6 11 9.0
0 202 87.1 104 94.5 98 80.3
1 10 4.3 2 1.8 8 6.6
2 2 0.9 0 0.0 2 1.6
3 1 0.4 0 0.0 1 0.8
PFJ Number of regions -3 1 0.4 1 0.9 0 0.0 0.8211
-2 4 1.7 2 1.8 2 1.6
-1 31 13.4 11 10.0 20 16.4
0 175 75.4 90 81.8 85 69.7
1 20 8.6 6 5.5 14 11.5
2 1 0.4 0 0.0 1 0.8
Change in number of regions (categories)
Knee Number of regions Improvement 53 22.8 20 18.2 33 27.0 0.2484
Stable 140 60.3 83 75.5 57 46.7
Worsening (1) 33 14.2 5 4.5 28 23.0
Worsening (2 +) 6 2.6 2 1.8 4 3.3
MFTJ Number of regions Improvement 23 9.9 6 5.5 17 13.9 0.4520
Stable 187 80.6 101 91.8 86 70.5
Worsening (1) 20 8.6 3 2.7 17 13.9
Worsening (2 +) 2 0.9 0 0.0 2 1.6
LFTJ Number of regions Improvement 17 7.3 4 3.6 13 10.7 0.9839
Stable 202 87.1 104 94.5 98 80.3
Worsening (1) 10 4.3 2 1.8 8 6.6
Worsening (2 +) 3 1.3 0 0.0 3 2.5
PFJ Number of regions Improvement 36 15.5 14 12.7 22 18.0 0.8616
Stable 175 75.4 90 81.8 85 69.7
Worsening (1) 20 8.6 6 5.5 14 11.5
Worsening (2 +) 1 0.4 0 0.0 1 0.8