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Table 1 Demographic and baseline characteristics of the patients

From: Type 2 sclerotic Modic change affect fusion result in patients undergoing PLIF with pedicle screw instrumentation: a retrospective study

 

Group A

Group B

Group C

p-valuea

p-valueb

p-valuec

No. of patients, n (%)

19 (15.4)

21 (17.1)

83 (67.5)

NA

NA

NA

Age (years), mean (SD)

53.0 (9.74)

54 (9.80)

52.2 (10.26)

0.74

0.78

0.47

Female, n (%)

10 (52.6)

14 (66.7)

43 (51.8)

0.23

0.86

0.27

Body mass index (kg/m2), mean (SD)

23.3 (1.81)

22.3 (2.06)

22.5 (2.14)

0.14

0.18

0.61

Preoperative T score, (n available)

−1.64 (7)

−1.23 (8)

− 1.51 (27)

0.14

0.57

0.18

No. of segments, n (%)

34 (17.4)

40 (20.4)

122 (62.2)

NA

NA

NA

Spondylolisthesis, n (%)

8 (42.1)

7 (33.3)

33 (39.8)

0.58

0.85

0.60

Spinal canal stenosis, n (%)

11 (57.9)

14 (66.7)

50 (60.2)

0.58

0.85

0.60

Single level fusion, n (%)

6 (31.6)

7 (33.3%)

43 (51.8)

0.91

0.11

0.13

Multiple level fusion, n (%)

13 (68.4)

14 (66.7%)

40 (48.2)

0.91

0.11

0.13

Follow-up period (CT imaging), mean 12.0 (3–39)

  
  1. All values are expressed as the mean (standard deviation = SD), except proportions (%)
  2. Nonparametric tests were performed for data that failed the normal distribution
  3. Group A type 2 sclerotic Modic change, Group B type 2 Modic change, Group C no Modic change
  4. aGroup A vs. B, bGroup A vs. C, cGroup B vs. C