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Table 1 Patient characteristics

From: T cell responses against tumor associated antigens and prognosis in colorectal cancer patients

Peripheral spontaneous T cell response against TAA Positive Negative (matched) Negative (total)
Number of patients 16 16 38
Age at first diagnosis, mean ± SD 61.2 ± 12.1 59.9 ± 9.1 60.8 ± 11.1
Male/Female 11/5 11/5 19/19
Duration of disease until T cell analysis (mean) 31.8 30.2 27.4
Stage (UICC) I 0 0 1 (2.6%)
  II 2 (12.5%) 2 (12.5%) 18 (47.4%)
  III 3 (18.8%) 3 (18.8%) 5 (13.2%)
  IV 11 (68.8%) 11 (68.8%) 14 (36.8%)
Previous therapy CT 9 (56.3%) 12 (75%) 18 (47.4%)
  RT 3 (18.8%) 4 (25%) 7 (18.4%)
  Surgery 12 (75%) 14 (87.5%) 30 (78.9%)
Patients without evidence of tumor at time of blood draw 4 (25%, 2 II, 2 III) 4 (25%, 2 II, 2 III) 17 (45%, 13 II, 3 III, 1 IV)
Time from blood draw until death or last contact, mean ± SD 28.1 ± 19.2 27.4 ± 15.0 25.7 ± 14.0
  1. Abbreviations: SD standard deviation, CT chemotherapy (5-FU + folic acid, in few cases plus Irinotecan), RT radiotherapy