. Author manuscript; available in PMC: 2021 Aug 23.

Published in final edited form as: J Med Syst. 2013 Feb 5;37(2):9930. doi: 10.1007/s10916-013-9930-y

Table 1.

Description of 5 hospital, 2 year, Cohort, 1/1/2007-12/31/2008

	ALL	Single admission	Multiple admission (Non-Fragmented)	Fragmented
# of Admissions	334,828	177,775 (53.1 %)	137,614 (41.1 %)	19,439 (5.8 %)
# of Patients	228,151	177,775 (77.9 %)	45,700 (20.0 %)	4,676 (2.0 %)
Avg. # of Admissions	1.47	1.00	3.01	4.16
Avg. LOS^a (days)	5.02	4.37	5.77	5.58
Standard Deviation LOS	8.16	7.90	8.42	8.09
First Quartile LOS	2	2	2	2
Median LOS	3	3	4	3
Fourth Quartile LOS	5	4	6	6
Total Hospital Days^a	1,674,213	774,610 (46.3 %)	792,110 (47.3 %)	107,493 (6.4 %)

Some admissions with uncertain discharge dates were removed from the calculations of LOS and hospital days. These represented 0.37 % of admissions