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Table 2 Characteristics of the 14,967 selected esophageal cancer patients, 2002–2011

From: Medical expenditure for esophageal cancer in China: a 10-year multicenter retrospective survey (2002–2011)

Variable Number of patients [cases (%)]
Region
 Eastern 7053 (47.12)
 Central 4287 (28.64)
 Western 3627 (24.23)
Hospital type
 General 3430 (22.92)
 Specialized 11,537 (77.08)
Hospital level
 3A 13,752 (91.88)
 3A less 1215 (8.12)
Gender
 Male 11,717 (78.29)
 Female 3250 (21.71)
Age at diagnosis (years)
 <45 666 (4.45)
 45–54 3252 (21.73)
 55–64 5683 (37.97)
 ≥65 5366 (35.85)
Pathologic typea
 Squamous cell carcinoma 12,401 (85.06)
 Others 2178 (14.94)
Clinical stage
 I 1131 (7.56)
 II 5186 (34.65)
 III 4695 (31.37)
 IV 2880 (19.24)
 Not reported 1075 (7.18)
Morphologic verification 13,332 (89.10)
Number of clinical visits per case
 1 9564 (63.90)
 2 2725 (18.21)
 3 1176 (7.86)
 4+ 1502 (10.04)
Type of therapyb
 Surgery 5168 (34.75)
 Surgery and chemotherapy 3000 (20.17)
 Radiotherapy 1982 (13.33)
 Chemotherapy 1690 (11.36)
 Radiotherapy and chemotherapy 1310 (8.81)
 Surgery and radiotherapy 386 (2.60)
 Palliative care 928 (6.24)
 Others 408 (2.74)
Comorbidities 3877 (25.9)
Complications 1235 (8.25)
  1. aThe data for 388 patients were missing
  2. bThe data for 95 patients were missing