ACDF group (A)

PCF group (B)

p-value

Operative time (min):

Ÿ Range

45 - 120

35 - 100

<0.001

Ÿ Mean ± SD

72.61 ± 15.43

54.28 ± 19.63

Blood loss (cc):

Mean ± SD

98.26 ± 15.67

64.04 ± 19.11

<0.001

Hospital stay: (No, %)

Ÿ Less than 2 days

0

19 (90.5%)

<0.001

Ÿ 2 - 4 days

23 (100%)

2 (9.5%)

Intraoperative complications: (No, %)

Ÿ Dural tear

1 (4.3%)

1 (4.7%)

Ÿ Root injury

0

0

Ÿ Soft tissues injury

0

0

Ÿ Vascular injury

0

0

Postoperative complications:

Ÿ CSF leak

0

0

Ÿ Neurological deficit

0

0

Ÿ Infection

0

0

Ÿ Hematoma

0

0

Ÿ Cage failure

0

0