Skip to main content

Table 2 Radiographic data of bone graft growth pattern

From: Imaging evaluation of nano-hydroxyapatite/polyamide 66 strut in cervical construction after 1-level corpectomy: a retrospective study of 520 patients

 

a

b

c

P ab

P ac

P bc

Percent of patients

20% (104/520)

75% (390/520)

5% (26/520)

< 0.001

< 0.001

< 0.001

Males/females (n)

45/59

211/179

15/11

< 0.001

< 0.001

< 0.001

Mean age

51.85 ± 10.30

56.67 ± 9.06

58.40 ± 8.22

0.7467

0.3389

0.1248

Hospitalization duration (days)

9.25 ± 2.05

8.76 ± 1.99

9.00 ± 2.70

0.1705

0.6479

0.1019

Operative duration (min)

95.25 ± 17.66

99.73 ± 13.10

91.5 ± 15.47

0.5716

0.7616

0.2944

Surgical haemorrhage (ml)

82.75 ± 12.43

93.40 ± 13.86

90.0 ± 20.28

0.0857

0.3105

0.7017

Drainage (ml)

17.00 ± 6.77

17.58 ± 6.17

18.00 ± 7.15

0.9599

0.9515

0.9236

Fusion rate

99%

98%

97%

0.9687

0.9268

0.9715

Subsidence rate

2%

5%

10%

0.0015

< 0.001

< 0.001

Segmental angle (°)

6.16 ± 3.67

7.06 ± 5.67

12.36 ± 6.78

0.4914

< 0.001

< 0.001

C2–C7 Cobb angle (°)

1.57 ± 20.55

5.66 ± 18.05

7.87 ± 13.55

0.023

< 0.001

< 0.001