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Table 2 Prognostic factors for overall survival in esophageal squamous cell carcinoma treated by late course of accelerated hyperfractionated irradiation (LCAF) or late course of accelerated hyperfractionated irradiation with concurrent chemotherapy (LCAF + CT)

From: Long-term outcome of irradiation with or without chemotherapy for esophageal squamous cell carcinoma: a final report on a prospective trial

Parameter P value
Age (≥ 70 yr vs. < 70 yr) 0.221
Stage (I vs. II + III) 0.047
KPS (≥ 90 vs. < 90) 0.633
Length (< 7 cm vs. ≥ 7 cm) 0.021
Treatment (LCAF vs. LCAF + CT) 0.653