Table 1. Characteristics of patient, tumor, and brachytherapy.
| Characteristics | Value |
|---|---|
| No. of patients (female/male) | 31/54 |
| age, y (±SD) Range |
52 (±13) 25-82 |
| Mean Karnofsky performance status (±SD) | 70 (±2.7) |
| Previous treatment External beam radiation therapy Chemotherapy EBRT and chemotherapy No EBRT or chemotherapy |
53/85 (62.4%) 45/85 (52.9%) 31/85 (36.5%) 11/85 (12.9%) |
| Opioid analgesics at presentation | 69/85 (81.2%) |
| Primary lung tumor type histology (N=85) Small cell carcinoma Adenocarcinoma Squamous carcinoma Large cell carcinoma Adenosquamous carcinoma Others |
16 (18.8%) 37 (43.5%) 19 (22.4%) 7 (8.2%) 4 (4.7%) 2 (2.4%) |
| Bone metastases location (N=126) Rib/chest wall Thoracic /Lumbar vertebra Iliac/ischium/pubic bones Sacrum Scapula Sternum Clavicle Acetabulum |
55(43.7%) 26(20.6%) 23(18.2%) 13(10.3%) 4(3.2%) 3(2.4%) 1(0.8%) 1(0.8%) |
| Mean metastases diameter, cm (±SD) ≤2 >2, ≤4 >4, ≤6 |
3.1 (±0.8) 45/126(35.7%) 72/126(57.1%) 9/126(7.1%) |
| Metastases numbers 1 2 3 |
53/85(62.4%) 26/85(30.6%) 7/85(8.2%) |
| Type of bone metastases (N=85) Osteolytic Osteoplastic Mixed |
48(56.5%) 25(29.4%) 12(11.5%) |
| Total number of 125I seed implantation Mean±SD |
2896 23±6.5 |
Abbreviations: EBRT, external beam radiation therapy; SD, standard deviation.