[Table/Fig-30]:
Different variables like Disc Involvement, Decreased Disc Height, Central/Medial Annular Tear, Paramedian Annular Tear, Right Paramedian Annular Tear, Left Paramedian Annular Tear, Foraminal Annular Tear, Right Foraminal Annular Tear, Left Foraminal Annular Tear and their correlation with the Intervertebral disc level.
| Inter-vertebral Disc Level | Disc Involvement (n= 241 ) | Decreased Disc Height (n = 31) | Central/ Medial Annular Tear (n = 55) | Paramedian Annular Tear (n = 43) | Right Paramedian Annular Tear (n = 21) | Left Paramedian Annular Tear (n = 22) | Foraminal Annular Tear (n = 41) | Right Foraminal Annular Tear (n = 16) | Left Foraminal Annular Tear (n = 25) |
|---|---|---|---|---|---|---|---|---|---|
| D10 – D11 | 1(0.41%) | - | - | - | - | - | - | - | - |
| D11 – D12 | 1(0.41%) | - | - | - | - | - | - | - | - |
| D12- L1 | 9(3.73%) | - | 4(7.27%) | 3(6.98%) | 2(9.52%) | 1(4.55%) | - | - | - |
| L1 – L2 | 14(5.81%) | 3(9.68%) | 4(7.27%) | - | - | - | 2(4.88%) | 1(6.25%) | 1(4%) |
| L2 – L3 | 22(9.13%) | 4(12.90%) | 4(7.27%) | 1(2.33%) | 1(4.76%) | - | 2(4.88%) | 1(6.25%) | 1(4%) |
| L3 – L4 | 42(17.43%) | 5(16.13%) | 8(14.55%) | 6(13.95%) | 2(9.52%) | 4(18.18%) | 12(29.27%) | 6(37.50%) | 6(24%) |
| L4 – L5 | 93(38.59%) # | 9(29.03%) | 21(38.18%) # | 21(48.84%) # | 10(47.62%) # | 11(50.00%) # | 24(58.54%) # | 7(43.75%) # | 17(68%) # |
| L5 – S1 | 56(23.24%) | 10(32.26%) # | 14(25.45%) | 12(27.91%) | 6(28.57%) | 6(27.27%) | 1(2.44%) | 1(6.25%) | - |
| S1 – S2 | 3(1.24%) | - | - | - | - | - | - | - | - |
# indicates most common intervertebral disc level of involvement