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Table 2 Prognostic factors for 5-year local control

From: Conventional fractionation should not be the standard of care for T2 glottic cancer

Factor Subgroup Number (%) 5-year LC
% (95% CI)
p value (log rank)
Sex Male 98 (88) 84.8% (75.5–90.8) 0.20
Female 14 (13) 70.0% (38.3–87.6)
Age (years) <65 58 (52) 73.2% (59.9–82.9) 0.003
≥65 54 (48) 93.9% (82.3–98.0)
Stage 2a 76 (68) 88.8% (79.0–94.2) 0.032
2b 36 (32) 70.8% (52.4–83.1)
Haemoglobin (g/dl) <13 42 (38) 89.4% (74.2–95.9) 0.46
≥13 60 (54) 81.1% (68.3–89.1)
Unknown 10 (9)  
Smoker Current/ex <1 yr 46 (41) 79.0% (63.6–88.4) 0.42
Ex ≥ 1 year/never 64 (57) 87.0% (75.6–93.3)
Unknown 2 (2)  
Alcohol Low/no alcohol 69 (62) 82.5% (70.6–89.9) 0.41
Heavy/previous heavy 29 (26) 89.6% (71.0–96.5)
Unknown 14 (13)