[Retracted] Prediction and Analysis of Length of Stay Based on Nonlinear Weighted XGBoost Algorithm in Hospital

Table 3

Gender distribution.

	Number of patients	Mean	Median	Standard deviation	Kurtosis	Skewness
Total	1986	9.10	8	14.25	9.55	2.289
Male	1028	9.69	8	14.68	7.18	2.158
Female	958	8.26	9	13.01	15.67	2.731