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Table 5 Relationship between demographic/histopathologic features and post-NAC tumor size

From: Role of 18 fluorine-fluorodeoxyglucose positron emission tomography/computed tomography in assessment of neoadjuvant chemotherapy response in breast cancer patients

Characteristics Post-NAC tumor size P value
Mean SD Range Median
Age (years)
 ≤ median 54 2.2 1.9 0.0–7.6 1.5 a0.491
> median 54 2.3 1.1 1.1–5 1.9  
Menopausal status
 Pre-menopause 1.9 1.5 0.0–5.6 1.5 a0.385
 Post-menopause 2.5 1.8 0.0–7.6 1.9  
Tumor grade
 II 2.1 1.8 0.0–7.6 1.5 a0.305
 III 2.5 1.4 0.0–5.6 2.5  
Tumor molecular type
 Luminal A
 Luminal B
 HER-2 +
 Basal type
2.7
1.7
1.6
2.2
1.9
1.7
1.2
0.4
0.0–7.6
0.0–5
0.0–3
1.8–2.5
2.5
1.3
1.7
2.5
b0.113
  1. a Mann-Whitney U test
  2. b Kruskal-Wallis test (KW)