Research Article
Effects of ROI Placement on PET-Based Assessment of Tumor Response to Therapy
Table 2
Patient characteristics.
| | Population A | Population B |
| No. of patients | 15 | 10 | Sex (F, M) | 3 F, 12 M | 1 F, 9 M | Age | | | Mean age ± SD | 58.3 ± 5.7 yr | 58.7 ± 11.6 yr | Age range | 49–68 yr | 42–79 yr | Clinical stage | | | Stage III | 5 | 1 | Stage IV | 10 | 9 | Total no. of GTV | 38 | 33 | GTVp | 15 | 10 | GTVn | 23 | 23 | Site | | | Tongue | 5 | 4 | Tonsil | 3 | 3 | Hypopharynx | 5 | 1 | Larynx | 2 | 1 | Paranasal sinus | 0 | 1 |
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F: female, M: male, SD: standard deviation, GTV: gross tumour volume, GTVp: primary tumour, GTVn: involved lymph node.
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