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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)

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