Table 2: Variance inflation factors for the variables analysed in this study.

 

n = 518

Sex (man)

1.79

Age (years)

1.94

Hypertension (yes)

2.06

Asthma (yes)

1.51

Antithrombotic medication (yes)

1.19

Smoking habit (yes)

1.36

Alcohol consumption (yes)

1.28

Preoperative sBP (mmHg)

2.41

Preoperative dBP (mmHg)

1.12

Sinus disease

 

Odontogenic maxillary sinusitis

3.08

Fungal sinusitis

2.92

Cystic disease

2.16

CRS with/without nasal polyps

3.62

Number of inflamed sinuses (pieces)

5.47

Lund Mackay score (points)

5.4

Nasal polyps (yes)

1.79

Preoperative macrolide use (yes)

1.16

Preoperative steroid use (yes)

1.34

Operative time (minutes)

1.72

Initial surgery or re-operation (re)

1.41

Unilateral or bilateral (bilateral)

4.27

Number of sinuses opened (pieces)

7.15

WBC (/μl)

1.51

Neu/Lym ratio

1.33

Eos (%)

1.41

Hb (g/dl)

2.26

Plt (10^4/μl)

1.48

Alb (g/dl)

1.64

AST (U/L)

3.05

ALT (U/L)

3.73

γGTP (U/L)

1.6

ALP (U/L)

1.21

T-bil (mg/dl)

1.29

Creatinine (mg/dl)

1.1

CRP (mg/dl)

1.5

PT-INR

1.24

APTT (seconds)

1.12

None of the variables possessed sufficient multicollinearity to cause problems in the multivariate analysis.
sBP: systolic Blood Pressure; dBP: diastolic Blood Pressure; CRS: Chronic Rhinosinusitis; WBC: White Blood Cell; Neu/Lym ratio: Neutrophil/Lymphocyte; Eos: Eosinophils; Hb: Haemoglobin; Plt: Platelet; Alb: Albumin; AST: Aspartate Aminotransferase; ALT: Alanine Aminotransferase; γ-GTP: γ-Glutamyl Transpeptidase; ALP: Alkaline Phosphatase; T-bil: Total Bilirubin; CRP: C-Reactive Protein; PT-INR: Prothrombin Time-International Normalised Ratio; APTT: Activated Partial Thromboplastin Time