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. 2022 Dec 6;12:1069733. doi: 10.3389/fonc.2022.1069733

Table 1.

Population characteristics.

Characteristics Total ALNM Non-ALNM P
number n=252 n=98 n=154
All patients Age (mean ± SD), years old 51.3 ± 11.24 51.0 ± 11.05 51.6 ± 11.40 0.698
Tumor size (mean ± SD), cm 2.1 ± 0.97 2.4 ± 1.15 1.9 ± 0.78 <0.01
Tumor margin 0.079
 Regular 102 (40.5) 33 (33.7) 69 (44.8))
 Irregular 150 (59.5) 65 (66.3) 85 (55.2)
TIC curve type 0.201
 II 168 (66.7) 70 (71.4) 98 (63.6)
 III 84 (33.3) 28 (28.6) 56 (36.4)
Number n=50 n=20 n=30
Testing dataset Age (mean ± SD), years old 50.7 ± 10.74 49.1 ± 11.77 51.7 ± 10.06 0.394
Tumor size (mean ± SD), cm 2.0 ± 0.80 2.3 ± 0.92 1.9 ± 0.67 0.086
Tumor margin 0.387
 Regular 22 (44.0) 7 (35.0) 15 (50.0)
 Irregular 28 (56.0) 13 (65.0) 15 (50.0)
TIC curve type 0.243
 II 29 (58.0) 14 (70.0) 15 (50.0)
 III 21 (42.0) 6 (30.0) 15 (50.0)

ALNM, axillary lymph node metastasis; SD, standard deviation; TIC, time-intensity curve.