Table 6 Results of univariate analyses between the healed and failed groups

Age, years

66.1 ± 9.2

65.6 ± 12.9

.673

Sex, male: female

59: 52

5: 2

.581

Affected side, right: left

80: 31

5:2

.967

Prevalence of DM

15 ( +): 96 (-)

1 ( +): 6 (-)

.952

SSP retraction, Boileau I/II/III

24/65/22

1/4/2

.993

ISP retraction, Boileau 0/I/II/III

77/16/14/4

1/4/0/2

.012*

Concomitant SSC lesion Lafosse type 0/I/II/III/IV

44/39/26/1/1

2/2/1/1/1

.006*

Concomitant LHB lesion modified Lafosse I/II/III/IV/V

56/25/12/12/6

3/2/0/0/2

.648

Pre AHI, mm

9.41 ± 1.85

9.35 ± 2.09

.862

Pre flex, deg

125.9 ± 34.0

139.3 ± 33.2

.194

Pre ER,deg

56.8 ± 17.1

56.4 ± 12.8

.758

Pre IR, spine level

Th11.7 ± 2.9

Th12.5 ± 2.9

.348

Pre FD of SSC

61:38:7:5:0

4:1:0:0:0

.970

Pre FD of SSP

25:63:20:3:0

2:2:3:0:0

.683

Pre FD of ISP

58:44:8:1:0

3:1:1:1:1

.252

Pre GFDI

0.73 ± 0.51

1.24 ± 1.13

.154

Pre constant score

48.4 ± 14.8

54.0 ± 18.0

.502

Pre UCLA score

14.8 ± 4.3

17.0 ± 5.9

.360

Pre NRS

6.6 ± 1.8

6.8 ± 2.2

.914