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Table 1 Demographic and clinical characteristics of patients

From: FDG PET using SUVmax for preoperative T-staging of esophageal squamous cell carcinoma with and without neoadjuvant chemoradiotherapy

Characteristic

Total (n = 103)

CRT[−] group (n = 45)

CRT[+] group (n = 58)

Age, years

53.6 (8.2)a

54.4 (8.0)a

53.1 (8.4)a

Gender (male:female)

100:3 (97%:3%)

44:1 (98%:2%)

56:2 (97%:3%)

Tumor location (upper:middle:lower)

25:52:26 (24%:51%:25%)

9:21:15 (20%:47%:33%)

16:31:11 (28%:53%:19%)

T-stage (T0:T1:T2:T3:T4)

28:30:14:20:11 (27%:29%:14%:19%:11%)

2:26:7:9:1 (4%:58%:16%:20%:2%)

26:4:7:11:10 (45%:7%:12%:19%:17%)

Tumor gradeb (G1:G2:G3)

4:60:11b (5%:80%:15%)

2:36:5b (5%:84%:11%)

2:24:6b (6%:75%:19%)

Tumor size, cm

2.7 (1.4)a

2.7 (1.3)a

2.7 (1.5)a

Tumor SUVmax

5.0 (3.0)a

5.3 (2.9)a

4.7 (3.0)a

CRT to PET/CT interval, days

N/A

N/A

52.2 (48.5)a

PET/CT to resection interval, days

24.4 (20.1)a

21.2 (20.9)a

26.8 (19.4)a

  1. aData are means (standard deviation)
  2. bTumor histological grade was not assessment in patients with resected tumor specimens classified as T0
  3. CRT chemoradiotherapy, PET/CT positron emission tomography/computed tomography, SUV max maximal standardized uptake value