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Table 3 The details of TEVAR procedure grouped by NLR value < 4.8 and ≥ 4.8

From: Elevated preoperative neutrophil‐to‐lymphocyte ratio predicts early adverse outcomes in uncomplicated type B aortic dissection undergoing TEVAR

Variable

Overall

Low NLR

(< 4.8)

High NLR

(≥ 4.8)

Standardized difference

P value

Length of hospital stay (days)

10 (8–14)

10 (7–14)

10 (9–15)

0.24

0.076

Timing of procedure

   

0.05

0.713

Acute phase

126 (58.3 %)

64 (57.1 %)

62 (59.6 %)

  

Subacute phase

90 (41.7 %)

48 (42.9 %)

42 (40.4 %)

  

ASA Classification

   

0.24

0.205

 I

68 (31.5 %)

33 (29.4 %)

35 (33.7 %)

  

 II

140 (64.8 %)

77 (68.8 %)

63 (60.6 %)

  

 III

8 (3.7 %)

2 (1.8 %)

6 (5.7 %)

  

Length of procedure (minutes)

95(75–110)

95(80–122)

85(72–105)

0.31

0.025

Types of stentgraft

     

Cook Zenith

93 (43.1 %)

48 (42.9 %)

45 (43.3 %)

0.4

0.044

Gore TAG

54 (25.0 %)

33 (29.4 %)

21 (20.2 %)

  

Medtronic Valiant

55 (25.5 %)

21 (18.8 %)

34 (32.7 %)

  

Microport Hercules

14 (6.4 %)

10 (8.9 %)

4 (3.9 %)

  

Adjunctive stents

27 (12.5 %)

15 (13.4 %)

12 (11.5 %)

0.06

0.681

  1. Values are median (25th–75th percentile) or n (%)
  2. TEVAR thoracic endovascular aortic repair, NLR neutrophil-to-lymphocyte ratio, ASA American Society of Anesthesiologists