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Table 3 Patient Data

From: Outcomes of decompression for lumbar spinal canal stenosis based upon preoperative radiographic severity

Age F/U (Mon) Stenotic Area (mm2) Pedicle Area (mm2) Stenosis Ratio Pre-op NCOS Post-op NCOS Change NCOS Satisfaction
74 20 28 143 .20 7 67 60 Satisfied
77 22 24 109 .22 3 56 53 Satisfied
52 25 38 166 .23 2 51 49 Satisfied
52 22 50 205 .24 0 78 78 Satisfied
72 49 29 116 .25 7 98 91 Satisfied
83 39 64 208 .31 0 60 60 Satisfied
83 43 67 208 .32 9 100 91 Satisfied
77 27 69 193 .36 2 60 58 Satisfied
73 24 39 108 .36 6 80 74 Satisfied
60 29 81 221 .37 4 90 86 Satisfied
65 27 92 224 .41 5 98 93 Satisfied
74 22 66 151 .43 6 100 94 Satisfied
50 29 51 115 .44 1 75 74 Satisfied
58 24 67 150 .45 0 94 94 Satisfied
81 21 77 154 .50 7 25 18 Unsatisfied
67 20 79 159 .50 1 86 85 Satisfied
60 40 119 238 .50 2 45 43 Satisfied
59 26 59 112 .53 5 80 75 Satisfied
72 36 92 173 .53 7 52 45 Unsatisfied
59 36 49 88 .55 5 20 15 Unsatisfied
54 29 41 73 .56 5 45 40 Unsatisfied
54 20 95 144 .66 2 18 16 Unsatisfied
66 28 189 278 .68 4 33 29 Unsatisfied
76 48 141 203 .69 5 83 78 Satisfied
57 35 32 42 .77 1 70 69 Satisfied
37 19 114 146 .78 13 92 79 Satisfied
49 36 84 97 .87 2 51 49 Satisfied