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Table 2 Comparison of the clinical results observed in the patients of the BPS and the UPS groups

From: Minimally invasive unilateral versus bilateral technique in performing single-segment pedicle screw fixation and lumbar interbody fusion

 

BPS

UPS

p value

Operation time (min)

103.6 ± 10.6

84.7 ± 6.4

<0.0001

Blood loss (ml)

137.4 ± 32.9

96.3 ± 17.5

<0.0001

Hospital stay (days)

10.4 ± 2.4

10.0 ± 2.1

0.428

Fusion

6 months

38/42

30/36

0.868

12 months

42/42

36/36

1