Table 4 Metastatic risk of ALNs according to the novel scoring system, development set, and validation set.

From: Preoperative comprehensive risk estimation for axillary lymph node metastasis in breast cancer: development and verification of a network-based prediction model

Risk of Grade

Risk of Score

Metastasis risk (%)

Score system (%; [metastasis n/total n])

Development set (%; [metastasis n/total n])

Validation set (%; [metastasis n/total n])

1

≦ -1.5887

11.25 (27/240)

10.00 (18/180)

15.00 (9/60)

2

-1.5887 < score ≦ -0.06

34.40 (43/125)

34.69 (34/98)

33.33 (9/27)

3

-0.06 < score ≦ 1.5816

74.17 (89/120)

76.67 (69/90)

66.67 (20/30)

4

1.5816 < score ≦ 2.4481

90.60 (106/117)

90.48 (76/84)

90.91 (30/33)

5

2.4481 < score

93.46 (100/107)

94.94 (75/79)

89.29 (25/28)

Total

 

51.48 (365/709)

51.22 (272/531)

52.25 (93/178)

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