TABLE 2.

Incremental cost of Clostridium difficile infection from each perspective for baseline and an increased secondary recurrence rate

	Baseline secondary recurrence rateb		Increased secondary recurrence ratec
Scenario	Median	95% CI	Median	95% CI
Hospital perspective
6-day LOS	9179	7833–11 047	9401	8063–11 136
10-day LOS	10 187	8684–12 249	10 424	8873–12 466
14-day LOS	11 175	9398–13 651	11 456	9511–13 709
Third-party payer perspective
Baseline–$1000	8932	7542–10 865	9188	7838–11 056
Baseline costa	10 123	8711–12 369	10 499	8983–12 722
Baseline + $1000	11 386	9837–13 820	11 679	10 107–13 983
Societal perspective
Baseline−$1000, 6-day LOS	13 310	9431–19 840	13 740	9730–19 508
Baseline−$1000, 10-day LOS	13 589	9843–19 116	13 783	9967–20 204
Baseline−$1000, 14-day LOS	13 511	9832–19 740	13 851	9857–20 573
Baseline, 6-day LOS	14 726	10 491–20 724	14 926	10 853–21 500
Baseline, 10-day LOS	14 732	10 578–20 849	15 213	11 067–21 743
Baseline, 14-day LOS	14 783	10 662–21 065	15 257	11 334–21 878
Baseline + $1000, 6-day LOS	15 810	11 790–21 967	16 271	11 997–23 065
Baseline + $1000, 10-day LOS	15 851	11 752–22 541	16 355	12 082–23 245
Baseline + $1000, 14-day LOS	16 078	11 862–22 110	16 464	12 139–23 019

^aBaseline cost = mean, $7767.70 (SD, $322.19).

^bBaseline secondary recurrence rate = mean, 18.9% (SD, 6.77%).

^cIncreased secondary recurrence rate = range, 33–45% (likeliest, 40%).