Table 1 Model-based estimates of CDI burden in the United States for 2014 by setting and risk group. Figures in parentheses are proportions of row totals

No. of Susceptible Individuals

19,572,104 (6.13 %)

25,011 (0.01 %)

197,927 (0.06 %)

90,471 (0.03 %)

349,042 (0.11 %)

355,780 (0.11 %)

3,343,595 (1.05 %)

338,094 (0.11 %)

295,154,163 (92.40 %)

319,426,189 (100 %)

No. of Primary CDI cases

131,114 (29.85 %)

1,659 (0.38 %)

6,897 (1.57 %)

2,750 (0.63 %)

14,282 (3.25 %)

13,526 (3.08 %)

112,152 (25.53 %)

6,209 (1.41 %)

150,648 (34.30 %)

439,237 (100 %)

No. of Recurrent CDI Cases

65,664 (39.36 %)

644 (0.39 %)

3,128 (1.88 %)

1,190(0.71 %)

6,843 (4.10 %)

6,730 (4.03 %)

61,247 (36.71 %)

3,064 (1.84 %)

18,311 (10.98 %)

166,821 (100 %)

 1st recurrence

36,361 (37.56 %)

392 (0.40 %)

1,791 (1.85 %)

696(0.72 %)

3,847 (3.97 %)

3,736 (3.86 %)

32,970 (34.06 %)

1,705 (1.76 %)

15,309 (15.81 %)

96,807 (100 %)

 2nd recurrence

15,756 (41.17 %)

147 (0.38 %)

737 (1.93 %)

278(0.73 %)

1,630 (4.26 %)

1,613 (4.21 %)

14,904 (38.94 %)

734 (1.92 %)

2,474 (6.46 %)

38,273 (100 %)

 3rd recurrence

7,096 (42.49 %)

58 (0.35 %)

320 (1.92 %)

117 (0.70 %)

722 (4.32 %)

724 (4.34 %)

6,910 (41.38 %)

329 (1.97 %)

423 (2.53 %)

16,699 (100 %)

 4+ recurrences

6,452 (42.88 %)

46 (0.31 %)

280 (1.86 %)

99 (0.66 %)

645 (4.29 %)

657 (4.37 %)

6,464 (42.96 %)

297 (1.97 %)

105 (0.70 %)

15,045 (100 %)

Severe CDI Cases (primary + recurrent)

19,366 (32.59 %)

119 (0.20 %)

790 (1.33 %)

231 (0.39 %)

1,805 (3.04 %)

1,681 (2.83 %)

23,688(39.86 %)

875(1.47 %)

10,876 (18.30 %)

59,431 (100 %)

Deaths Attributable to CDI (primary + recurrent)

14,525 (32.59 %)

89 (0.20 %)

592 (1.33 %)

173 (0.39 %)

1,353 (3.04 %)

1,261 (2.83 %)

17,766 (39.86 %)

656(1.47 %)

8,157 (18.30 %)

44,572 (100 %)