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. 2021 Oct 26;38(6):540–544. doi: 10.4103/lungindia.lungindia_867_20

Table 2.

Model statistics and performance of all the all competitive models arranged in a hierarchical diagnostic complexity

Competitive model Representing variables Deviance (−2LL) Omnibus test of model coefficient Hosmer-Lemeshow test



Constant χ 2 P H-L statistic P
Baseline 217.356
Model 1 H 194.445 22.911 <0.0001 2.139 0.544
Model 2 H+E 160.321 34.123 <0.0001 4.653 0.702
Model 3 H+E + PFT 147.965 12.356 <0.0001 3.563 0.829
Model 4 H+E + PFT+ABG 147.545 0.42 0.517 5.812 0.688
Model 5 H+E + PFT+ABG+SS 121.993 25.552 <0.0001 3.859 0.870

H: Clinical history, E: Basic evaluation, PFT: Pulmonary function test, ABG: Arterial blood gas, SS: Sleep study, H-L: Hosmer-Lemeshow