Skip to main content

Table 1 Demographic and clinical characteristics of the two patient groups

From: 3D-image-guided HDR-brachytherapy versus 2D HDR - brachytherapy after external beam radiotherapy for early T-stage nasopharyngeal carcinoma

Variables Group A Group B p-value
  3D-HDR-BT (n =118) 2D-HDR-BT (n =101)  
Age (years)    0.594
≤ 45 65 (11.9%) 52 (20.8%)  
> 45 53 (88.1%) 49 (79.2%)  
Mean 44.6 47.1  
Median 43 45  
Range 19 - 80 18 - 73  
Gender    0.100
Male 88 (74.6%) 65 (64.4%)  
Female 30 (25.4%) 36 (35.6%)  
Histology    0.529
WHO type I/II 2 (1.7%) 3 (3.0%)  
WHO type III 116 (98.3%) 98 (97.0%)  
T-stage    0.079
T1 65 (55.1%) 42 (41.6%)  
T2a 34 (28.8%) 41 (40.6%)  
T2b 19 (16.1%) 18 (17.8%)  
N-stage    0.740
N0-1 85 (72.0%) 74 (73.3%)  
N2-3 33 (28.0%) 27 (26.7%)  
Chemotherapy    0.740
Given 33 (28.0%) 27 (26.7%)  
Not given 85 (72.0%) 74 (73.3%)  
EBRT modality    
2D-CRT 96 (81.4%) 88 (87.1%) 0.662
3D-CRT 19 (16.1%) 13 (12.9%)  
IMRT 3 (2.5%) 0 (0%)  
  1. Abbreviations: 2D-BT, two-dimensional high-dose-rate brachytherapy; 3D-BT, three-dimensional high-dose-rate brachytherapy; WHO: World Health Organization; 2D-CRT = two-dimensional radiotherapy. IMRT = intensity-modulated radiotherapy. 3D-CRT = three-dimensional conformal radiotherapy.
\