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Table 1 Patient, tumor and treatment features

From: Interstitial high-dose rate brachytherapy as boost for anal canal cancer

Items N/Median Interval/%
Age (years) 60 [34 - 83]
Sex ratio (F/M) 3  
VIH Positive 2 7.1
Tumor stage   
T1 5 17.9
T2 20 71.4
T3 2 7.1
T4 1 3.6
Lymph node status   
N0 25 89.3
N1 2 7.1
N2 1 3.6
Histologic type   
SCC 25 89.3
ADC 3 10.7
EBRT   
Chemotherapy 20 71.4
Inguinal irradiation 20 71.4
Total dose (Gy) 45 [43.2 - 52]
HDR BT   
d/f (Gy) 4 [3 - 5]
# of fractions 3 [2 - 6]
Total dose (Gy) 12 [10 - 15]
# of needles 4 [4 - 7]
TI EBRT/BT (days) 20 [4 - 63]
OTT (days) 63 [38 - 74]
  1. SCC: squamous cell carcinoma; ADC: adenocarcinoma; EBRT: external beam radiation therapy; HDR BT: high-dose rate brachytherapy; d/f: dose per fraction; TI EBRT/BT: time interval between external beam radiation therapy and brachytherapy; OTT: overall treatment time.