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Table 1 Patient characteristics and SUVmax comparisons between or among groups

From: The maximum standardized uptake value of 18 F-FDG PET scan to determine prognosis of hormone-receptor positive metastatic breast cancer

Characteristics

No. of patients (n=134)

Baseline SUVmax

Median

IQR

Pvalue*

Age

    

 ≤ 50

63 (47.0%)

6.60

5.10–9.10

0.616

 > 50

71 (53.0%)

6.85

4.80–9.80

 

Menstruation status

    

 Pre-menopausal

53 (39.6%)

6.60

5.10–9.00

0.685

 Post-menopausal

81 (60.4%)

6.85

4.85–9.75

 

Histology

    

 IDC

124 (92.5%)

6.95

5.03–9.66

0.131

 ILC

6 (4.5%)

6.33

5.15–9.90

 

 Others

4 (3.0%)

4.65

3.10–5.68

 

Luminal subtype

    

 Luminal A

75 (56.0%)

6.75

5.10–9.20

0.744

 Luminal B

59 (44.0%)

7.00

4.80–10.00

 

Adjuvant/neoadjuvant therapy

    

 Only CT (± RT)

4 (3.0%)

6.68

5.76–9.05

0.887

 Only HT (± RT)

6 (4.5%)

6.15

3.74–9.85

 

 CT + HT (± RT)

101 (75.4%)

6.75

5.15–9.25

 

 Therapy with TT

21 (15.7%)

7.00

4.75–10.25

 

No

2 (1.5%)

5.50

4.50–6.50

 

Relapse-free interval

    

 ≤ 2 years

48 (35.8%)

6.25

4.81–9.20

0.592

 > 2 years

86 (64.2%)

7.00

5.18–9.59

 

No. of metastatic sites

    

 1

53 (39.6%)

6.10

4.60–9.08

0.002

 2

37 (27.6%)

6.25

4.70–8.15

 

 ≥ 3

44 (32.8%)

8.40

6.21–10.73

 

Visceral metastasis

    

 Yes

64 (47.8%)

7.60

5.53–10.28

0.009

 No

70 (52.2%)

6.32

4.80–7.73

 

  Only bone

20 (14.9%)

4.85

3.58–7.10

0.063

  Others

    

  Only lymph node

18 (13.4%)

6.37

5.20–7.78

 

  Only skin & soft tissue

5 (3.7%)

10.1

4.45–10.30

 

  Mixed

27 (20.1%)

6.70

5.10–7.70

 
  1. SUVmax: the maximum standardized uptake value; No.: number; IQR: interquartile range; IDC: invasive ductal carcinoma; ILC: invasive lobular carcinoma; CT: chemotherapy; RT: radiotherapy; HT: hormonal therapy; TT: target therapy.
  2. * Mann–Whitney U test (between 2 groups) or Kruskal-Wallis test (≥3 groups).