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Table 2 Comparison of Baseline Demographic Characteristics Between Patients with Head and Neck Cancer and Control Group

From: Intraoperative hypotension, oliguria and operation time are associated with pulmonary embolism after radical resection of head and neck cancers: a case control study

Characteristic

Case Group(N = 28)

Control Group(N = 84)

P Value

Age (y)

63.6 (10.1)

62.7 (9.3)

.659

Gender [No. (%)]

 Female

6 (21.4%)

18 (21.4%)

.500

 Male

22 (78.6%)

66 (78.6%)

.500

Weight (kg)

70.3 (9.8)

66.7 (11.3)

.133

Height (m)

1.69 (0.06)

1.69 (0.08)

.783

BMI

24.6 (3.2)

23.2 (3.2)

.038

ASA Grade ≥ III [No. (%)]

7 (25.0%)

6 (7.1%)

.011

Pathologic diagnosis [No. (%)]

 Laryngeal carcinoma

18 (64.3%)

54 (64.3%)

 

 Thyroid carcinoma

5 (17.9%)

15 (17.9%)

 

 Hypopharyngeal carcinoma

2 (7.1%)

6 (7.1%)

 

 Others

3 (10.7%)

9 (10.7%)

 

Baseline blood pressure (mmHg)

 Baseline SBP

134 (15)

124 (17)

.005

 Baseline MBP

98 (9)

92 (9)

.005

Preoperative laboratory data

 Hemoglobin (g litre− 1)

142.5 (12.8)

139.1 (14.77)

.290

 Hct (%)

42.7 (3.5)

41.4 (4.2)

.163

 PT (s)

11.5 (0.9)

11.2 (0.9)

.203

 APTT (s)

26.4 (3.5)

26.7 (3.6)

.668

 Fbg (g litre−1)

3.2 (0.8)

3.2 (0.9)

.903

 INR

0.97 (0.07)

0.95 (0.07)

.152

 Glu (mmol litre−1)

5.56 (0.69)

5.61 (1.60)

.878

 Bun (mmol litre−1)

5.3 (1.4)

5.1 (1.4)

.598

 Cr (mmol litre−1)

75.8 (12.8)

68.9 (15.3)

.038

Past medical history [No. (%)]

 Smoking

19 (67.9%)

38 (45.2%)

.038

 Radiotherapy or chemotherapy

5 (17.9%)

14 (16.7%)

.884

 Anticoagulation

1 (3.6%)

7 (8.3%)

.397

 Tracheotomy within one week

1 (3.6%)

5 (6.0%)

.628

Caprini scale

6.5 (1.0)

6.4 (1.2)

.638

Charlson comorbidity index

4.2 (1.2)

4.0 (1.2)

.432

  1. Abbreviation: BMI Body mass index, ASA American Society of Anesthesiologists, SBP Systolic blood pressure, MBP Mean blood pressure, Hct Hematocrit, PT Prothrombin time, APTT Activated partial thromboplastin time, Fbg Fibrinogen, INR International normalized ratio, Glu Glucose, Bun Blood urea nitrogen, Cr Creatinine