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Table 7 Showing tumor size at various time segments in the continuum from detection to specialist clinic. Also, showing the risk of progression in tumor size per time segment

From: Presentation intervals and the impact of delay on breast cancer progression in a black African population

 

Variables at detection

Variable at specialist clinics

  

Interval

Length

(days)

Mean

T-size

(cm)

Median

T-size

(cm)

IQR

Mean

T-size

(cm)

Median

T-size

(cm)

T-size

IQR

(cm)

#Risk of

T-stage migration

(% with 95% CI)

*Risk of locally advanced disease at arrival in SC

(95% CI)

1–30

N = 47

4.0 ± 2.0

4.0

2.0–5.0

5 ± 3

4.0

4.0–6.0

19 (8–40)

17 (6–33)

N = 36

31–90

N = 58

4.0 ± 2.0

4.0

3.0–4.0

7 ± 4

6.0

4.0–8.0

54 (39–68)

46 (32–61)

N = 50

> 90

N = 296

4.0 ± 2.0

3.0

2.0–4.0

9 ± 5

8.0

6.0–10.0

76 (78–89)

74 (68–80

N = 170

T-size

number at detection

the number at the specialist clinic

  

T1

162 (40%)

32 (8%)

  

T2

192 (47%)

99 (24%)

  

T3

50 (13%)

278 (68%)

  

Mean

3.0 ± 2.0 cm

8.0 ± 5.0 cm

  
  1. arisk of migration to locally advanced among respondents whose disease was early at detection (i.e., risk of migrating from T1 to T3 or from T2 to T3). # risk of migration to the next T- stage (i.e., risk of migration from T1 to T2 or from T2 to T3)
  2. NB. The records of respondents who had tumors > 5 cm at detection were excluded from the analysis of stage migration since we would be unable to observe further stage migration according to the tumor size staging using the AJCC 7th edition