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Table 1 The demographic data and perioperative outcomes

From: Posterior paramedian approach combined with a novel inverted V-shaped surgical access for intraspinal schwannomas: a retrospective case series study

Indicators

Value

Age (year, mean ± SD)

48.0 ± 15.0

Gender (n, %)

 

Male

22 (61.1)

Female

14 (38.9)

Tumor site (n, %)

 

C

6 (16.7)

C-T

2 (5.6)

T

11 (30.6)

T-L

4 (11.1)

L

13 (36.1)

Communicated with outside (n, %)

 

Yes

7 (19.4)

No

29 (80.6)

Maximum tumor diameter (cm, mean ± SD)

3.2 ± 0.8

Operation time (min, mean ± SD)

99.0 ± 25.3

Blood loss (ML, mean ± SD)

95.4 ± 33.7

Follow-up time (month, mean ± SD)

23.5 ± 13.1

Preoperative JOA (mean ± SD)

14.6 ± 2.7

Preoperative VAS (mean ± SD)

4.3 ± 1.9

Postoperative JOA [median (range)]

25 (9–27)

Postoperative VAS [median (range)]

0 (0–2)

  1. VAS, visual analogue scale; JOA, Japanese Orthopedic Association