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Table 1: Vertebral level and side of included FPCA acquisitions documenting a radicular branch and the ARMA course within the NF
Vertebral Level L Side (No.) L Side R Side (No.) R Side L and R Sides, Total (No.) L and R Sides, Total
T2 1 1.3% – – 1 1.3%
T3 – – – – – –
T4 – – 1 1.3% 1 1.3%
T5 1 1.3% 1 1.3% 2 2.6%
T6 – – – – – –
T7 4 5.1% – – 4 5.1%
T8 5 6.4% 3 3.8% 8 10.3%
T9 10 12.8% 5 6.4% 15 19.2%
T10 2 2.6% 5 6.4% 7 9.0%
T11 6 7.7% 1 1.3% 7 9.0%
T12 7 9.0% 3 3.8% 10 12.8%
L1 14 17.9% 5 6.4% 19 24.4%
L2 2 2.6% 1 1.3% 3 3.8%
L3 1 1.3% – – 1 1.3%
Total 53 67.9% 25 32.1% 78 100.0%
Note:— L indicates left; R, right.

Vertebral Level	L Side (No.)	L Side	R Side (No.)	R Side	L and R Sides, Total (No.)	L and R Sides, Total
T2	1	1.3%	–	–	1	1.3%
T3	–	–	–	–	–	–
T4	–	–	1	1.3%	1	1.3%
T5	1	1.3%	1	1.3%	2	2.6%
T6	–	–	–	–	–	–
T7	4	5.1%	–	–	4	5.1%
T8	5	6.4%	3	3.8%	8	10.3%
T9	10	12.8%	5	6.4%	15	19.2%
T10	2	2.6%	5	6.4%	7	9.0%
T11	6	7.7%	1	1.3%	7	9.0%
T12	7	9.0%	3	3.8%	10	12.8%
L1	14	17.9%	5	6.4%	19	24.4%
L2	2	2.6%	1	1.3%	3	3.8%
L3	1	1.3%	–	–	1	1.3%
Total	53	67.9%	25	32.1%	78	100.0%