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Table 2 Perioperative Factors and Postoperative Outcomes

From: A comparison of the bilateral decompression via unilateral approach versus conventional approach transforaminal lumbar interbody fusion for the treatment of lumbar degenerative disc disease in the elderly

Variable BDUA Control P-Value Significance
Operation time 2.61 ± 0.78 2.85 ± 0.68 0.2132 ns
Intraoperative blood loss 153.9 ± 102.9 251.7 ± 156.1 0.0059 **
Drainage 178.4 ± 86.7 359.8 ± 179.2 < 0.0001 ****
Days of hospital stay 10.35 ± 3.49 12.07 ± 3.59 0.0642 ns
Complications cases 3 2 0.94* ns
Side of fusion
 Both 0 30   
 Left side 13 0   
 Right side 18 0   
  1. Note: Data shown as number or mean ± standard deviation. P < 0.05, significant difference
  2. 2 test. Otherwise, independent samples t test