Table 1.
Characteristics of extant statistical models of LOS.
Table 2.
Descriptive statistics for the LOS per admission and per patient in the four departments.
Fig 1.
(A) Histogram of LOS per admission in Pediatrics. (B) Histogram of LOS per admission in Rehabilitation Medicine. (C) Histogram of LOS per patient in Pediatrics. (D) Histogram of LOS per patient in Rehabilitation Medicine.
Fig 2.
(A) Reversed Lorenz curve of LOS in Pediatrics. (B) Reversed Lorenz curve of LOS in Rehabilitation Medicine.
Table 3.
Gini index for the LOS per admission and per patient, for each specialty department.
Fig 3.
(A) Average charge per day in Surgery. (B) Average charge per day in Rehabilitation Medicine.
Table 4.
Thresholds and piecewise correlation coefficients of LOS with average charge per day.
Fig 4.
(A) Charge per day for positive discharge status in Surgery. (B) Charge per day for negative discharge status in Surgery. (C) Charge per day in Rehabilitation Medicine.
Fig 5.
(A) Maximum to Sum ratios of LOS per admission in Surgery. (B) Maximum to Sum ratios of LOS per patient in Surgery. (C) Maximum to Sum ratios of LOS per admission in Rehabilitation Medicine. (D) Maximum to Sum ratios of LOS per patient in Rehabilitation Medicine.
Fig 6.
(A) Q-Q plot of LOS per admission in Surgery. (B) Q-Q plot of LOS per patient in Surgery. (C) Q-Q plot of LOS per admission in Rehabilitation Medicine. (D) Q-Q plot of LOS per patient in Rehabilitation Medicine.
Fig 7.
(A) Mean Excess function of LOS per admission in Surgery. (B) Mean Excess function of LOS per patient in Surgery. (C) Mean Excess function of LOS per admission in Rehabilitation Medicine. (D) Mean Excess function of LOS per patient in Rehabilitation Medicine.
Fig 8.
Histogram and CDF of observed and fitted LOS.
(A) Histogram of observed and fitted LOS per admission in Pediatrics. (B) Histogram of observed and fitted LOS per admission in Rehabilitation Medicine. (C) CDF of observed and fitted LOS per patient in Surgery. (D) CDF of observed and fitted LOS per admission in Rehabilitation Medicine.
Fig 9.
Mean Excess function of observed and fitted LOS.
(A) Mean Excess function of observed and fitted LOS per patient in Surgery. (B) Mean Excess function of observed and fitted LOS per admission in Rehabilitation Medicine.
Table 5.
Results of the Kolmogorov-Smirnov tests for fitted Beta-Geometric models with 95% confidence level.
A Poisson model was additionally used for stays below 20 days in Rehabilitation Medicine.