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Table 1 General data

From: Clinical efficacy and radiographic K-rod stabilization for the treatment of multilevel degenerative lumbar spinal stenosis

General data

K-Rod(N = 25)

Rigid(N = 15)

P

Age (years)

66 ± 6.79

61 ± 7.17

0.674

SEX

 Female

12 (48%)

8 (53.33%)

0.752

 Male

13 (52%)

7 (46.66%)

Follow-up (months)

29.48 ± 4. 97

28.26 ± 5. 88

0.483

Operation Time (mins)

289 ± 34.40

307 ± 49.06

0.162

Intraoperative blood loss (mL)

480 ± 270.03

462 ± 294.14

0.845

Postoperative drainage (mL)

340 ± 120.34

332 ± 55.32

0.810

Hospital stay (days)

15 ± 3.50

16 ± 3.35

0.748

Expenses (ten thousands)

11.7 ± 1.29

10.6 ± 1.64

0.018

  1. Note: Data are presented as mean ± standard deviation. P values are based on the t test; P > 0.05 compared with K-Rod and Rigid