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Table 1 Demographic characteristics and surgery information among ACDF, HS1, and HS2 groups

From: Exploration on sagittal alignment and clinical outcomes after consecutive three-level hybrid surgery and anterior cervical discectomy and fusion: a minimum of a 5-year follow-up

 

ACDF

HS1

HS2

P

Gender (M/F)

17/15

17/19

14/11

0.779

Age (years)

57.2 ± 8.3

55.5 ± 7.5

55.2 ± 12.6

0.695

BMI (kg/m2)

24.8 ± 3.4

25.3 ± 3.3

26.0 ± 1.6

0.658

DM (n)

3

7

4

0.505

Smoking (n)

6

10

5

0.631

Follow-up (months)

74.5 ± 9.6

78.3 ± 8.5

76.0 ± 6.3

0.205

Operated segments

   

0.295

C3–C6 (n)

7

11

4

0.403

C3–C6: CCD/CDC/DCCa

/

2/7/2

/

 

C3–C6: DDC/DCD/CDDa

  

2/1/1

 

C4–C7 (n)

25

25

21

 

C4–C7: CDC/DCCa

/

3/22

/

 

C4–C7: DDC/DCD/CDDa

/

/

13/7/1

 

Operation time (min)

101.1 ± 21.1

107.3 ± 17.8

122.0 ± 13.0

0.063

Blood loss (ml)

71.3 ± 37.1

86.8 ± 73.5

85.0 ± 36.4

0.538

  1. ACDF anterior cervical discectomy and fusion, HS hybrid surgery, HS1 one prosthesis and two cages, HS2 two prostheses and one cage, M male, F female, BMI body mass index, DM diabetes mellitus
  2. aIt means the implantation order from cranial to caudal segments. For example, C3–C6: CCD means artificial disk of C3/4 + artificial disk of C4/5+ peek cage of C5/6