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. 2010 Apr 28;16(16):1986–1992. doi: 10.3748/wjg.v16.i16.1986

Table 1.

Demographic data of 298 patients with advanced esophageal cancer n (%)

Variables Surgery alone NeoadjuvantCRT Significance
Patients 108 190
Sex NS
Male 86 (80.0) 151 (79.4)
Female 22 (20.0) 39 (20.6)
Age (yr) 63.6 60.1 P < 0.01
< 50 11 (10.2) 38 (20.0)
50-70 65 (60.2) 124 (65.3)
> 70 32 (29.6) 18 (14.7)
Histological subtype 0.871
Squamous cell carcinoma 55 (51.0) 100 (52.6)
Adenocarcinoma 53 (49.0) 90 (47.4)
No. of resected LNs (median, range) 30 (3-74) 27 (4-55) P = 0.007
pN category P < 0.001
pN0 27 (25.0) 98 (51.6)
pN1 81 (75.0) 92 (48.5)
LN ratio P < 0.001
pN0 27 (25.0) 98 (51.6)
LN ratio < 0.2 52 (48.1) 69 (36.3)
LN ratio ≥ 0.2 29 (26.9) 23 (12.1)
pM1 organ 11 (10.1) 8 (4.2) NS
R category NS
R0 98 (92.6) 179 (94.2)
R1/R2 10 (7.4) 11 (5.8)
Response after neoadjuvant therapy
Minor response - 112 (59.0)
Major response - 78 (41.0)

LN: Lymph node; CRT: Chemoradiotherapy; NS: Not significant.