Table 1.

Descriptive statistics of the input and output variables

Variable	Hospital average value per year	Hospital median value per year	Standard deviation	Minimum	Maximum
Number of beds	120	101	106	10	509
Number of doctors	90	53	119	11	652
Number of nurses	119	95	93	2	436
Number of non-medical staff	152	115	115	25	537
Total staff	361	282	311	47	1561
Number of admitted patients	14,045	9348	12,171	294	55,519
Average length of stay (ALOS)	2.4	2.4	0.7	1.0	5.1
Number of hospital days	33,896	23,180	31,465	895	150,486
Number of operations	3357	1785	4445	0	26,516
Number of outpatient visits	99,765	78,444	103,578	11,169	539,914

Source (MOH 2006, 2007, 2009, 2010, 2011, 2012)