Reduced hospitalization rates are not associated with increased mortality or readmission rates in an emergency department in Israel

Table 1 Cohort data and years comparison

Variable	Entire cohort	2010	2014	2016	Sigma (2010–2014)	Sigma (2010–2016)	Sigma (2014–2016)
N	168,891	53,237	56,588	59,066
Male, N (%)	83,177 (49.2)	26,030 (48.9)	27,970 (49.4)	29,177 (49.4)
Age (years), Mean (st. dev)	58.03 (22.3)	57.77 (22.4)	58.13 (22.2)	58.18 (22.3)	0.008	0.002	0.674
Admitted, N (%)	67,347 (39.9)	24,727 (46.4)	21,880 (38.7)	20,740 (35.1)	0.000	0.000	0.000
Discharged, N (%)	101,544 (60.1)	28,510 (53.6)	34,708 (61.3)	38,326 (64.9)	0.000	0.000	0.000
ED time (minutes), Mean (st. dev)	229.1 (170.6)	183.6 (127.96)	237.5 (167.42)	262.0 (196.36)	0.000	0.000	0.000
Delay Time (minutes), Mean (st. dev)	167.7 (181.93)	97.25 (94.4)	178.8 (176.18)	239.5 (229.79)	0.008	0.000	0.000
One-month mortality, N (%)	7,299 (4.3)	2,326 (4.4)	2,533 (4.5)	2,440 (4.1)	0.388	0.048	0.004
Readmission 1 week, N (%)	11,068 (6.6)	3,479 (6.5)	3,619 (6.4)	3,970 (6.7)	0.347	0.21	0.025
Delay > 2 h, N (%)	31,299 (46.8)	5,856 (23.7)	11,679 (53.4)	13,764 (66.4)	0.000	0.000	0.000

Admission & discharge rates, total Emergency department (ED) visit length & delay time (minutes), one-month mortality and one-week readmission rates in the years 2010, 2014 & 2016 in the Tel Aviv Sourasky Medical Center (TASMC). Number of patients that are delayed in the ED more than 2 h after decision of hospitalization took place increased significantly