Skip to main content

Table 2 Patient characteristics in SA-1: dCCRT with a low dose (<ā€‰50Ā Gy)

From: Chemotherapy alone versus definitive concurrent chemoradiotherapy for cT4b esophageal squamous cell carcinoma: a population-based study

Ā 

C/T (nā€‰=ā€‰56)

dCCRT with low dose [<ā€‰50Ā Gy] (nā€‰=ā€‰29)

Standardized difference (rounded)a

Number or mean (SD)a

(%)a

Number or mean (SD)a

(%)a

Before PSW

After PSW

Age (year)

56.11 (9.54)

Ā 

54.86 (6.90)

Ā 

0.150

ā‰ˆ 0

Sex

Ā Ā Ā Ā Ā Ā 

Female

1

(2)

3

(10)

0.364

ā‰ˆ 0

Male

55

(98)

26

(90)

Ā Ā 

Residency

Ā Ā Ā Ā Ā Ā 

Non-north

39

(70)

19

(66)

0.088

ā‰ˆ 0

North

17

(30)

10

(34)

Ā Ā 

Drinking

Ā Ā Ā Ā Ā Ā 

No

14

(25)

2

(7)

0.510

ā‰ˆ 0

Yes

42

(75)

27

(93)

Ā Ā 

Smoking

Ā Ā Ā Ā Ā Ā 

No

6

(11)

1

(3)

0.286

ā‰ˆ 0

Yes

50

(89)

28

(97)

Ā Ā 

PET

Ā Ā Ā Ā Ā Ā 

No

41

(73)

8

(28)

1.026

ā‰ˆ 0

Yes

15

(27)

21

(72)

Ā Ā 

Tumor location

Ā Ā Ā Ā Ā Ā 

Non-cervical

51

(91)

26

(90)

0.048

ā‰ˆ 0

cervical

5

(9)

3

(10)

Ā Ā 

N-stage

Ā Ā Ā Ā Ā Ā 

0

4

(7)

1

(3)

0.166

ā‰ˆ 0

1ā€“3

52

(93)

28

(97)

Ā Ā 

BMI

19.30 (3.16)

Ā 

20.83 (3.91)

Ā 

0.430

ā‰ˆ 0

  1. BMI body mass index, C/T chemotherapy, dCCRT definitive concurrent chemoradiotherapy, PET positron emission tomography, PSW propensity-score weighting, SA subgroup analyses, SD standard deviation
  2. aRounded