Table 5. The logistic regression analysis of score_PS, score_OS, score_PD-Possum and score_Possum for complication.

Score type	Complication				Hosmer and Lemeshow test
	β	P	Constant quantity		Chi-square	Sig.
ScorePS	0.140	0.000	–
ScoreOS	−0.053	0.739
ScorePD-Possum	0.998	0.000	−0.022		6.766	0.562
SocrePossum	0.213	0.377	−0.571		5.795	0.564

*, significant variables. β, parameter estimate. PS, physiological score; OS, operative score.