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Table 1 The demographics of Open-TLIF and Mis-TLIF groups

From: Comparison of minimally invasive transforaminal lumbar interbody fusion (Mis-TLIF) with bilateral decompression via unilateral approach and open-TLIF with bilateral decompression for degenerative lumbar diseases: a retrospective cohort study

 

Open-TLIF (n = 135)

Mis-TLIF (n = 113)

P value

Gender (men/women)

52/83

49/64

0.439

Age (years)

53.4 ± 11.9

59.1 ± 10.0

 < 0.001

BMI (kg/m2)

24.7 ± 2.9

25.3 ± 3.3

0.131

Operative time (minutes)

154.7 ± 41.1

212.4 ± 56.2

 < 0.001

Postoperative drainage (ml)

332.0 ± 178.5

126.1 ± 150.1

 < 0.001

Length of stay (days)

7.3 ± 2.5

6.4 ± 2.0

0.002

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X