Table 1 Summary of literatures results of MCS for refractory Pain

Zhang 2017 [1]

Xuanwu Hospital, China

16 Stroke

30.9 ± 28.3

28.2 ± 10.7

8.0 ± 0.7 - > 5.3 ± 2.4

Rasche 2016 [2]

University Hospital of Schleswig-Holstein, Germany

36 TNP

NA

91.6 ± 33.6

9.2 ± 0.8 - > 5.0 ± 1.2

Sokal 2015 [5]

Military Research Hospital, Poland

6 Stroke; 2 TNP; 3 PA; 1 Phantom pain; 1 MS; 1 Syringomyelia

126.0 ± 82.7

39.4 ± 20.2

8.6 ± 0.6 - > 5.1 ± 2.3

Slotty 2015 [6]

Vancouver General Hospital, Canada

11 Stroke; 2 TNP; 4 PA; 4 SCI; 2 CRPS

64.9 ± 45.0

39.2 ± 19.6

7.7 ± 1.3 - > 6.9 ± 2.0

Sachs 2014 [17]

The Ottawa Hospital, Canada

1 Stroke; 7 TNP; 3 Phantom pain; 1 Facial hemangiopericytoma; 2 Vascular malformations

NA

12.2 ± 12.4

7.2 ± 1.3 - > 5.7 ± 1.9

Delavallee 2014 [19]

Cliniques Universitaires Saint-Luc, Belgium

3 Stroke; 7 TNP; 3 PA; 1 Phantom pain; 3 Trauma; 1 CRPS

153.0 ± 138.6

103.1 ± 44.6

8.8 ± 0.7 - > 1.6 ± 1.2

Buchanan 2014 [20]

University Medical Center at Brackenridge, USA

2 Stroke; 5 TNP; 1 Phantom pain

24

36

9.5 ± 0.8 - > 5.5 ± 2.4

Velasco 2008 [21]

Mexico General Hospital, Mexico

1 Stroke; 3 PA; 5 Post-herpetic neuralgia; 1 Hemangiectasia syndrome; 1 Scleroderma

79.8 ± 63.6

12

9.5 ± 0.8 - > 3.6 ± 1.5

Delavallee 2008 [11]

Cliniques Universitaires Saint-Luc, Belgium

3 Stroke; 3 TNP; 1 PA; 1 Trauma

177 ± 160.5

NA

8.6 ± 0.5 - > 3.0 ± 2.6

Rasche 2006 [22]

University Hospital Heidelberg, Germany

7 Stroke; 9 TNP; 6 Surgical injury

66.7 ± 36.9

120

8.6 ± 0.9 - > 6.7 ± 2.5

Pirotte 2005 [23]

Universite Libre de Bruxelles, Belgium

6 Stroke; 4 TNP; 1 PA; 2 Spinal syrinx; 1 MS; 2 Amputation; 1 Surgical injury; 1 Post-radicular plexopathy

NA

29.8 ± 16.9

7.5 ± 0.6 - > 3.7 ± 3.1

Brown 2005 [24]

Wayne State University School of Medicine, USA

2 Stroke; 4 TNP; 2 Post-herpetic neuralgia

NA

NA

9.0 ± 1.9 - > 3.9 ± 2.9