Table 1 Baseline characteristics of older patients with or without PE.

From: Prognosis and risk factors in older patients with lung cancer and pulmonary embolism: a propensity score matching analysis

Data

Overall cohort

Propensity score matched cohort

PE group (n = 86)

Control group (n = 3,420)

t/χ2 value

P value

PE group (n = 53)

Control group (n = 53)

t/χ2 value

P value

Basic characteristics

Age(years)

79.3 ± 12.7

75.2 ± 9.1

4.080

<0.001

77.4 ± 10.8

77.2 ± 6.4

0.647

0.519

Male

58(67.4%)

2094(61.2%)

1.397

0.237

29(54.7%)

28(52.8%)

0.038

0.846

BMI (kg/m2)

22.7 ± 4.9

23.5 ± 4.2

1.737

0.083

22.1 ± 3.5

22.5 ± 2.7

−0.659

0.512

Smoking

52(60.4%)

1941(56.8%)

0.474

0.491

37(69.8%)

33(62.3%)

  

Medical history

Hypertension

31(36.0%)

1345(39.3%)

0.383

0.536

17(32.1%)

19(35.8%)

0.168

0.682

Diabetes

35(40.7%)

989(28.9%)

5.659

0.017

15(28.3%)

17(32.1%)

0.179

0.672

COPD

42(48.8%)

1294(37.8%)

4.192

0.041

33(62.3%)

31(58.5%)

0.158

0.691

Atrial fibrillation

22(25.6)

603(17.6)

3.619

0.057

18(34.0%)

10(18.9%)

3.106

0.078

Varicose veins

26(30.2%)

665(19.4%)

5.541

0.019

19(35.8%)

13(24.5%)

1.389

0.239

Deep vein catheterization

36(41.8%)

1073(31.4%)

4.072

0.044

18(34.0%)

14(26.4%)

0.718

0.397

DVT

44(51.2%)

295(8.6%)

99.394

<0.001

31(58.5%)

29(54.7%)

0.154

0.695

Lab. test

D-Dimer (ug/L)

601.3 ± 282.2

399.5 ± 375.4

4.949

<0.001

532.3 ± 162.4

489.9 ± 185.7

1.251

0.214

WBC count (×109/L)

8.92 ± 5.64

8.21 ± 5.97

1.088

0.277

8.6 ± 3.7

8.5 ± 4.1

0.132

0.895

Hemoglobin (g/L)

110.6 ± 49.3

131.2 ± 75.7

2.510

0.012

111.6 ± 26.8

127.7 ± 32.5

2.782

0.401

Platelet count (×109/L)

182.3 ± 137.4

237.4 ± 199.8

2.544

0.011

226.6 ± 86.2

234.5 ± 99.1

0.438

0.662

PaO2 (mmHg)

68.2 ± 33.8

76.7 ± 32.7

2.379

0.017

72.2 ± 21.3

79.7 ± 12.4

1.233

0.220

Hemodynamic parameters

SBP (mmHg)

107.8 ± 44.5

125.4 ± 42.7

3.771

0.0002

109.7 ± 12.3

113.6 ± 15.3

1.446

0.151

DBP (mmHg)

62.4 ± 26.3

70.6 ± 17.5

4.227

<0.001

68.5 ± 10.5

71.4 ± 8.5

1.563

0.121

Heart rate

113.7 ± 47.5

93.2 ± 43.7

4.287

<0.001

101.6 ± 13.3

98.2 ± 9.6

1.509

0.134

Clinical TNM stage

  

12.013

0.002

  

1.851

0.396

I-II

11(12.8%)

427(3.7%)

  

16(30.2%)

10(18.9%)

  

III

41(47.7%)

1870(54.7%)

  

23(43.4%)

27(50.9%)

  

IV

34(39.5%)

1123(41.6%)

  

14(26.4%)

16(30.2%)

  

Histology

  

6.324

0.042

  

1.325

0.516

  Adenocarcinoma

47(54.6%)

1974(58.0%)

  

28(52.8%)

23(43.4%)

  

  Squamous cell carcinoma

22(25.6%)

1081(31.6%)

  

17(32.1%)

18(34.0%)

  

  Large cell carcinoma

17(19.8%)

365(10.4%)

  

8(15.1%)

12(22.6)

  

Treatment (%)

Surgery

33(38.3%)

973(26.7%)

3.820

0.051

20(37.7%)

19(35.9%)

0.041

0.840

Chemotherapy

83(96.5%)

3176(92.9%)

2.057

0.151

51(96.2%)

50(94.3%)

0.211

0.646

Targeted therapy

24(27.9%)

745(21.7%)

1.735

0.188

13(24.5%)

15(28.3%)

0.194

0.659

Radiation

35(37.2%)

1026(30.0%)

1.993

0.158

16(30.2%)

18(34.0%)

0.173

0.677

Anti-coagulation

61(70.9%)

155(4.5)

256.699

<0.001

37(69.8%)

28(52.8%)

3.767

0.052

Thrombolysis

12(13.9%)

29(0.8)

42.381

<0.001

7(13.2%)

2(3.8%)

3.200

0.074

  1. PE, pulmonary embolism; BMI, body mass index; COPD, chronic obstructive pulmonary disease; WBC, white blood cells; PaO2, partial pressure of oxygen; SBP, systolic blood pressure; DBP, diastolic blood pressure.