Table 3.

Results of the Outcome Analyses after Propensity Score Matching.

	Carbazochrome sodium sulfonate (n=14,379)	Control (n=14,379)	Odds Ratio (95% CI)	p value
In-hospital mortality, n (%)	88 (0.6)	91 (0.5)	0.96 (0.72-1.29)	0.82
Blood transfusion within 7 days of admission
Red blood cell transfusion, n (%)	4,705 (32.7)	4,591 (31.9)	1.02 (0.98-1.07)	0.15
Fresh-frozen plasma transfusion, n (%)	180 (1.2)	176 (1.2)	0.99 (0.76-1.29)	0.83
Platelet concentrate transfusion, n (%)	41 (0.3)	33 (0.2)	1.28 (0.75-2.20)	0.35
	Carbazochrome sodium sulfonate (n=14,379)	Control (n=14,379)	Absolute Difference (95% CI)	p value
Length of stay, days, mean (SD)	11.4 (10.0)	11.0 (10.2)	0.44 (0.14-0.73)	<0.001
Total Costs, Japanese Yen, mean (SD)	495,512 (406,516)	493,696 (437,940)	1,816 (-10,145-13,777)	0.72

CI: confidence interval, n: number, SD: standard deviation