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Table 2 Patterns of failure for patients who underwent AC before and after PSM

From: Short-term response might influence the treatment-related benefit of adjuvant chemotherapy after concurrent chemoradiotherapy for esophageal squamous cell carcinoma patients

Pattern of failure, n(%)

Before PSM

After PSM

CCRT alone (n = 113)

CCRT + AC(n = 131)

χ2

p

CCRT alone (n = 99)

CCRT + AC (n = 99)

χ2

p

Locoregional alone

38 (33.6)

47 (35.9)

0.784

0.853

31 (31.3)

38 (38.4)

3.032

0.387

Locoregional and distant

21 (18.6)

19 (14.5)

  

20 (20.2)

12 (12.1)

  

Distant alone

19 (16.8)

24 (18.3)

  

16 (16.2)

19 (19.2)

  

No failure

35 (31.0)

41 (31.3)

  

32 (32.3)

30 (30.3)

  
  1. AC adjuvant chemotherapy, PSM propensity score matching