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. Author manuscript; available in PMC: 2024 May 31.
Published in final edited form as: J Rheumatol. 2017 May 15;44(7):1004–1010. doi: 10.3899/jrheum.161462

Table 1.

Percentage of patients with fusion in ZJ, syndesmophytes, or bridging by vertebral level (n = 55).

Vertebral ZJ Fusion Syndesmophytes Bridging
Level Reader 1 Reader 2
T10–T11* 33.3 35.5 74.5 56.9
T11–T12 38.2 36.3 72.7 47.3
T12–L1 34.5 34.5 67.3 41.8
L1–L2 12.7 16.4 63.6 16.4
L2–L3 14.6 12.7 63.6 18.2
L3–L4 7.3 10.9 56.4 9.1
ptrend < 0.0001 < 0.0001 0.03 < 0.0001
*

Data available for 51 patients. ZJ: zygapophyseal joint.