TABLE 1.

Summary of parameters examined for patients in RAST and NAST groups

Parametera	Mean for RAST group	SD for RAST group	Mean for NAST group	SD for NAST group	Mean difference	95% Confidence interval
						RAST group	NAST group
Turnaround time (h) (1282, 2231)	39.2	14.0	44.4	12.7	5.2b	38.5, 40	43.9, 44.9
Mortality rate (%) (242, 523)	7.9	27.0	9.6	29.4	1.7c	4.4, 11.3	7, 12.1
Length of stay (days) (242, 523)	10.7	7.5	12.6	12.1	2.0d	9.7, 11.6	11.6, 13.7
Average total cost ($) (242, 523)	13,227	13,321	15,622	18,163	2,395e	11,541, 14,914	14,062, 17,182
Average variable cost ($) (242, 523)	4,927	5,660	6,677	8,385	1,750b	4,210, 5,644	5,956, 7,397

^aNumbers in parentheses are number of patients in RAST group, number of patients in NAST group. 

^bP = 0.001. 

^cP = 0.45. 

^dP = 0.006. 

^eP = 0.04.