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Table 1 Demographic characteristics and surgical factors between groups D and F

From: Surgical outcomes between posterior decompression alone and posterior decompression with fusion surgery among patients with Meyerding grade 2 degenerative spondylolisthesis: a multicenter cohort study

 

Group D

(n = 18)

Group F

(n = 24)

P value

Age

70.4 ± 8.7

70.2 ± 9.1

0.88

Sex (male:female)

8 : 10

1 : 23

< 0.01

BMI (kg/m2)

23.4 ± 3.8

22.8 ± 2.7

0.97

ASA (≤ 2:3)

18:0

23:1

0.38

DM (n)

0 (0%)

4 (17%)

0.07

RA (n)

1 (6%)

1 (4%)

0.83

Smoking (n)

1 (6%)

2 (8%)

0.73

Surgical duration (min)

87.4 ± 40.2

188.2 ± 48.0

< 0.01

Volume of intraoperative blood loss (mL)

73.6 ± 105.5

259.2 ± 163.3

< 0.01

Perioperative complication

dural tear (n)

surgical site infection (n)

1 (6%)

0 (0%)

0 (0%)

1 (4%)

0.24

0.38

Length of postoperative hospitalization (days)

8.1 ± 3.0

16.8 ± 8.9

< 0.01

  1. Values were expressed as means ± SD. The Wilcoxon rank-sum test and the Pearson’sχ2 test were used to assess continuous and categorical variables, respectively. A P value of < 0.05 was considered statistically significant
  2. BMI, Body mass index; ASA, American Society of Anesthesiologists; DM, diabetes mellitus; RA, rheumatoid arthritis