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Table 2 Comparison of intraoperative blood loss, operative time, days of hospitalization, and clinical parameters

From: Association of complete uncinate process removal on 2-year assessment of radiologic outcomes: subsidence and sagittal balance in patients receiving one-level anterior cervical discectomy and fusion

 

ACDF without UPR

(n = 24)

Median (Q1-Q3),(min-max) N(%)

ACDF with complete UPR

(n = 24)

Median (Q1-Q3),(min-max) N(%)

p-value

Intraoperative blood loss (ml)

60.00(52.50–80.00),(50.00–100.00)

77.50(57.50–90.00),(50.00–140.00)

0.175

Operation time (min)

100.00(90.00–120.00),(90.00–150.00)

120.00(100.00–130.00),(90.00–155.00)

0.086

Duration of hospitalization (day)

6.00(6.00–7.00),(5.00–9.00)

6.00(6.00–7.00),(5.00–9.00)

0.866

Arm VAS

Preoperation

9.00(8.00–9.00), (7.00–9.00)

8.50(8.00–9.00), (7.00–9.00)

0.116

Postoperation

4.00(3.00–5.00), (2.00–6.00)

3.00(2.00–3.50), (2.00–5.00)

0.003*

2 years follow-up

2.00(1.00–2.00), (1.00–3.00)

2.00(1.00–2.00),(1.00–3.00)

0.711

Neck VAS

Preoperation

9.00(8.00–9.00), (7.00–9.00)

9.00(8.00–9.00), (7.00–9.00)

0.817

Postoperation

2.00(1.00–5.00), (1.00–5.00)

2.00(2.00–3.50), (2.00–5.00)

0.657

2 years follow-up

1.00(1.00–2.00), (1.00–3.00)

1.00(1.00–1.00), (1.00–2.00)

0.281

NDI

Preoperation

38.00(37.00–41.50), (35.00–44.00)

40.50(37.50–42.00), (35.00–44.00)

0.464

Postoperation

24.00(21.00–25.00), (15.00–29.00)

22.00(19.00–25.00),(15.00–27.00)

0.514

2 years follow-up

14.00(13.50–16.50), (11.00–19.00)

13.50(11.00–15.00),(11.00–17.00)

0.069

Odom’s criteria

Excellent

9

9

0.999

Good

15

14

Fair

0

1

Poor

0

0

  1. VAS; Visual analog scale, NDI; Neck Disability Index
  2. *p < 0.05 comparing ACDF without UPR and ACDF with UPR