Skip to main content

Table 1 Patient, tumor and treatment parameters

From: Impact and relationship of anterior commissure and time-dose factor on the local control of T1N0 glottic cancer treated by 6 MV photons

Parameters

Patients no (%)

Sex

 

Male

413 (95.3%)

Female

20 (4.6%)

T stage

 

T1a

324 (74.8%)

T1b

109 (25.1%)

Grade

 

Well differentiated

154 (35.5%)

Mod differentiated

273 (63.0%)

Poorly differentiated

6 (1.3%)

AC involvement

 

Yes

197 (45.4%)

No

236 (54.1%)

Hemoglobin level

 

≤ 13 g/dL

45 (10.4%)

> 13 g/dL

388 (89.6%)

Field size (cm2)

 

< 30.5

215

30.5-35.5

165

≥ 35.5

53

A. Dose fraction size

 

2.5 Gy

177 (40.8)

Total dose (Gy)

 

55

30 (6.9)

57.5

134 (30.9)

60

13 (3.0)

Tx duration (days)

 

≤ 30

25 (5.7)

31-33

141 (32.5)

≥ 34

11 (2.5)

BEDcGy15 (cGy)

 

Median

6520

range

6058-6820

B. Dose fraction size

 

2.0 Gy

256 (59.1)

Total dose (Gy)

 

64

52 (12.0)

66

202 (46.6)

68

2 (0.46)

Tx duration (days)

 

≤ 45

48 (11.0)

46-50

203 (46.8)

≥ 51

5 (1.5)

BEDcGy15 (cGy)

 

Median

6340

range

6040-6700

  1. Abbreviations: AC = Anterior Commissure, Tx: treatment,
  2. BEDcGy15 : Tumor biologically effective dose