Correction to: European Spine Journal (2019) 28:2390–2407 https://doi.org/10.1007/s00586-019-06085-z

Unfortunately, the original version of this article has been published with misplaced data under the heading “Meta-analysis”. The details of the corrections and the corrected Fig. 2 are given.

  1. 1.

    Page 10, Right Column, 4th Paragraph, Line 9

The text “Figure 2c shows Forest plot including three studies [7, 11, 18] with 109 subjects (54 in surgical and 55 in conservative management).” needs to be replaced by “Figure 2c shows Forest plot including two studies [7, 18] with 62 subjects (31 in surgical and 31 in conservative management).”

  1. 2.

    Page 10, Right Column, 4th Paragraph, Line 13–14

The text “[MD = 2.35, 95%CI (− 5.38–10.07); I2 = 98%, p value = 0.550]” needs to be replaced by [MD = 6.92, 95%CI (− 5.58–19.41); I2 = 98%, p value = 0.280]

  1. 3.

    Page 10, Right Column, 4th Paragraph, Line 16–17

The text “[MD = 19.70, 95%CI (9.24–30.16); I2 = 99%, p value < 0.001]” needs to be replaced by [MD = 23.90, 95%CI (14.45–33.35); I2 = 96%, p value < 0.001]

  1. 4.

    Page 10, Right Column, 4th Paragraph, Line 18–19

The text “[MD = 13.36, 95%CI (5.37–21.35); I2 = 97%, p value = 0.001]” needs to be replaced by [MD = 17.57, 95%CI (7.25–27.88); I2 = 95%, p value = 0.0008]

Fig. 2
figure 2

Forest plots of ASIA scores. a ASIA Score-Surgical group, b ASIA Score-Conservative group, c Surgical versus Conservative group