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Table 2 Predictive factors for the postoperative complications

From: Risk factors for postoperative complication after spinal fusion and instrumentation in degenerative lumbar scoliosis patients

Characteristics

Patients with postoperative complications

Yes (n = 21)

No (n = 84)

P

FVC (%)

69.8 ± 10.4

73.9 ± 7.5

0.042

Surgical Procedure, n (%)

  

0.458

  Decompression alone

1 (4.8%)

12 (14.3%)

 

  Instrumented fusion

20 (95.2%)

72 (85.7%)

 

No. of levels fused

4.2 ± 0.8

3.7 ± 1.0

0.029

Op time (min)

296.5 ± 51.4

217.7 ± 46.8

0.000

EBL(mL)

999.8 ± 218.1

849.3 ± 275.6

0.022

Transfusion( U/pt)

2.3 ± 2.0

1.5 ± 1.1

0.022

Allograft, n (%)

  

0.315

  Yes

15 (71.4%)

50 (59.5%)

 

  No

6 (28.6%)

34 (40.5%)

 
  1. Note: FVC: forced vital capacity; Op time: operation time; EBL: estimated blood loss during operation; U blood units: U/pt: units per patient.