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Table 3 Summary of patients with post operative upper limb palsy

From: The use of average Pavlov ratio to predict the risk of post operative upper limb palsy after posterior cervical decompression

Case no. Age (yr)/Sex Etiology Presentation Onset (days) Duration of recovery (days) Laterality Level of involvement HIA on preop. MRI
    Dysesthesia Sensory deficit Motor deficit
(MMT)
     
1 72/M CSM Yes No No 5 2 Left C5 -
2 80/M CSM Yes No Yes (4 to -3) 7 42 Left C5 C3/4, C6/7
3 71/F CSM Yes No Yes (5 to 4) 2 42 Bilateral C5, C8 C5
4 54/F CSM Yes No No 1 8 Left C5 C6/7
5 50/M OPLL Yes Yes Yes (5 to 3) 1 31 Right C6, C7 C3/4
6 74/M CSM Yes No No 3 95 Right C5 C3/4, C5/6
7 51/M CSM Yes No Yes (5 to 4) 4 5 Right C5–7 C4/5
8 50/M PID Yes No No 3 1 Right C5 C3–5
9 54/M CSM Yes No No 6 1 Right C5 -
10 78/M CSM Yes No Yes (4 to -3) 1 21 Bilateral C5–6 C5/6
11 49/F OPLL Yes No No 2 2 Left C5 -
12 68/F OPLL Yes Yes Yes (5-4) 1 182 Bilateral C5, C8, T1 -
13 61/F OPLL Yes No No 1 15 Left C5 C4/5
14 49/M CSM Yes No No 1 27 Bilateral C5 -
15 59/F OPLL Yes No No 1 11 Bilateral C5 -
16 84/M CSM No No Yes (4-3) 4 15 Left C5–7 C3/4, C6/7
17 60/M CSM Yes No No 2 5 Right C5 C4/5, C5–6
18 45/M CSM Yes No Yes (5-0) 1 120 Bilateral C5-T1 C3/4, C6/7
  1. CSM = cervical spondylotic myelopathy; OPLL = ossification of the posterior longitudinal ligament; PID = Protrusion of cervical disc in developmental cervical stenosis; MMT = Manual muscle testing; HIA = T2 high-signal intensity area in the spinal cord;