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Table 2 Baseline characteristics and treatment effect of patients considering each pretreatment imaging modality (duplication was allowed)

From: Effect of the types of pretreatment imaging modalities on the treatment response to palliative radiation for painful bone metastases from solid cancer: a single-center retrospective analysis

 

CT (including simulation CT)

(n = 131)

MRI

(n = 54)

Bone scintigraphy

(n = 56)

18FDG-PET

(n = 14)

Age, years; median (range)

66 (24–89)

67 (35–89)

67 (24–89)

66 (48–84)

Sex

 Male

78 (60%)

34 (63%)

33 (59%)

8 (57%)

 Female

53 (40%)

20 (37%)

23 (41%)

6 (43%)

Primary site

 Lungs

35 (27%)

14 (26%)

25 (45%)

4 (29%)

 Genitourinary tract

34 (26%)

16 (30%)

10 (18%)

6 (43%)

 Gastrointestinal tract

34 (26%)

14 (26%)

14 (25%)

1 (7%)

 Breasts

6 (5%)

3 (6%)

2 (4%)

0 (0%)

 Head and neck

5 (4%)

3 (6%)

1 (2%)

2 (14%)

 Thyroid

4 (3%)

1 (2%)

1 (2%)

0 (0%)

 Gynecology

4 (3%)

0 (0%)

0 (0%

0 (0%)

 Unknown

9 (7%)

3 (6%)

3 (5%)

1 (7%)

Histology

 Squamous cell carcinoma

9 (7%)

5 (9%)

4 (7%)

2 (14%)

 Adenocarcinoma

66 (50%)

25 (46%)

28 (50%)

6 (43%)

 Small cell carcinoma

4 (3%)

3 (6%)

4 (7%)

0 (0%)

 Clear cell carcinoma

22 (17%)

9 (17%)

11 (20%

1 (7%)

 Others

27 (21%)

10 (19%)

7 (13%)

5 (36%)

 Unknown

3 (2%)

2 (4%)

2 (4%)

0 (0%)

Metastatic site

 Vertebral

86 (66%)

44 (81%)

38 (68%)

8 (57%)

 Non-vertebral

45 (34%)

10 (19%)

18 (32%)

6 (43%)

Bone metastases type

 Osteolytic

88 (67%)

43 (80%)

39 (70%)

9 (64%)

 Osteoblastic

34 (26%)

7 (13%)

13 (23%)

4 (29%)

 Mixed

9 (7%)

4 (7%)

4 (7%)

1 (7%)

Pathological fracture

 Present

24 (18%)

9 (17%)

9 (16%)

4 (29%)

 Absent

107 (82%)

45 (83%)

47 (84%)

10 (71%)

Treatment effect

 Response

105 (80%)

43 (80%)

45 (80%)

12 (86%)

 Non-response

26 (20%)

11 (20%)

11 (20%)

2 (14%)

  1. CT computed tomography, MRI magnetic resonance imaging, 18FDG-PET 18fluorodeoxyglucose-positron emission tomography