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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;