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Table 3 Comparison of surgical outcomes between the two groups

From: Robot-assisted orthopedic surgery in the treatment of adult degenerative scoliosis: a preliminary clinical report

 

RA Group

FH Group

P value

Operative time (min)

283.1 ± 30.8

291.9 ± 40.0

0.31

Intraoperative blood loss (ml)*

498.7 ± 96.3

573.0 ± 78.1

< 0.001

Length of hospital stay (day)

12.8 ± 4.5

13.7 ± 4.6

0.36

Perioperative complication

1

2

1.000

Revision

0

0

1.000

Radiological parameter

 Cobb (°)

  Pre-op

48.7 ± 6.4

47.4 ± 5.8

0.31

  Post-op

10.6 ± 1.9

10.9 ± 1.9

0.39

  Correction rate (%)

77.9 ± 5.3

76.6 ± 5.1

0.24

 SVA (mm)

  Pre-op

74.3 ± 56.2

79.8 ± 62.5

0.68

  Post-op

31.8 ± 20.7

36.3 ± 30.6

0.47

 AVT (mm)

  Pre-op

35.6 ± 11.4

39.2 ± 13.4

0.21

  Post-op

20.2 ± 6.4

20.7 ± 8.2

0.78

 PI (°)

  Pre-op

51.8 ± 3.9

51.2 ± 4.0

0.50

  Post-op

50.8 ± 3.4

51.1 ± 3.7

0.69

 LL (°)

  Pre-op

22.4 ± 5.4

21.7 ± 6.0

0.62

  Post-op

51.8 ± 4.4

50.3 ± 5.0

0.18

Δ

29.4 ± 5.4

28.6 ± 8.3

0.62

  Follow-up period (month)

11.1 ± 4.1

11.1 ± 3.4

0.96

  1. SVA sagittal vertical axis, AVT apical vertebral translation, PI pelvic incidence, LL lumbar lordosis, Δ=| post-pre |
  2. *Means RA group showed less intraoperative blood loss compared with FH group