Table 3 Univariate and multivariate analyses of prognostic factors for OS of patients with resectable thoracic ESCC

Total

60.7

Age (years)

0.089

1.214 (0.753–1.956)

0.427

  < 65

68.5

  ≥ 65

52.1

Sex

0.004

0.276 (0.107–0.711)

0.008

 Male

56.0

 Female

83.3

BMI

0.479

 <21.0

67.3

 ≥21.0

54.2

PS

<0.001

4.223 (2.155–8.274)

<0.001

 0

64.6

 1/2

8.3

ASA

<0.001

<0.001

 1

81.2

1.000

 2

59.6

1.184 (0.554–2.528)

0.663

 3

10.9

5.856 (2.102–16.310)

0.001

Location

0.941

 Upper

58.6

 Middle

60.7

 Lower

62.3

cTNM stage

0.001

0.015

 I

75.4

1.000

 II

57.5

1.515 (0.850–2.698)

0.159

 III/IV

40.4

2.485 (1.338–4.615)

0.004

SCCA (ng/ml)

0.139

 <2.0

61.2

 ≥2.0

59.6

CONUT score

<0.001

2.303 (1.191–4.455)

0.013

 High (≥3)

35.3

 Low (≤2)

63.6

PLR

0.025

1.213 (0.696–2.115)

0.496

 High (>193)

52.1

 Low (≤193)

62.6

NLR

0.018

1.194 (0.627–2.273)

0.589

 High (>3.612)

43.5

 Low (≤3.612)

63.3

GPS

0.001

1.021 (0.465–2.245)

0.958

 0

63.9

 1/2

16.3

 Albumin score

0.012

1.096 (0.479–2.511)

0.828

  0

61.4

  2/4

0

 TLC score

0.074

1.061 (0.518–2.171)

0.872

  0/1

62.6

  2/3

47.6

 TC score

0.015

1.481 (0.688–3.190)

0.316

  0/1

62.4

  2/3

40.8