Table 4 System performance evaluation

From: LASSO NTCP predictors for the incidence of xerostomia in patients with head and neck squamous cell carcinoma and nasopharyngeal carcinoma

 

No. of factors

AUC

Brier (scaled)

R2 Nagelkerke

Omnibus

HL

XER HNSCC-3m

3

0.88 (0.86–0.91)

0.44

0.54

<0.001

0.24

XER HNSCC-12m

3

0.98 (0.97–0.98)

0.73

0.83

<0.001

0.99

XER NPC-3m

4

0.87 (0.83–0.90)

0.36

0.43

<0.001

0.15

XER NPC-12m

3

0.96 (0.95–0.97)

0.70

0.81

<0.001

0.22

  1. Abbreviation: AUC: Area under the receiver operating characteristic curve; HNSCC: head and neck squamous cell carcinoma; NPC: nasopharyngeal carcinoma; XER: Xerostomia; XER3m or 12m: patient-reported moderate- to-severe xerostomia after 3- or 12-month; Dmean-c: mean dose to the contralateral parotid glands; Dmean-i: mean dose to the ipsilateral parotid glands; HL: Hosmer–Lemeshow test.
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