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. 2013 Mar 19;6(2):96–102. doi: 10.1136/neurintsurg-2012-010608

Table 1.

Change in luminal diameter in 66 lesions of stenosis at 1 year

Luminal change No (%) of lesions Degree of luminal change (%)
Average Median Range
Luminal loss
 ≥50% 9 (13.6) 65.7±12 67.1 50–87.5
 ≥20%–<50% 8 (12.1) 28.5±8.1 25.4 20–42.2
 <20% 13 (19.7) 12.4±5.9 13.3 2.3–19.6
Unchanged 4 (6) 0 0 0
Luminal gain 32 (48.5) 32 (48.5%) 22.9 1–150