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. Author manuscript; available in PMC: 2013 May 19.
Published in final edited form as: Infect Control Hosp Epidemiol. 2012 Mar 20;33(5):470–476. doi: 10.1086/665318

Table 2.

Patient Characteristics

Characteristic Patients Without
CDI
Patients With CDI1 Patients With
Colectomy for CDI
Hospital A
(n=28215)
Number of Patients 24232 3955 28
Median Age, y (range) 55.1 (18–103) 64.1 (18–105) 68.1 (23–87)
Female (%) 13727 (57) 2015 (51) 15 (54)
Non-White (%) 9075 (37) 1192 (30) 7 (25)
Mean Charlson Score (range) 1.5 (0–16) 2.2 (0–15) 1.4 (0–7)
Mortality (%) 2.8 12.7 53.6
Hospital B
(n=8313)
Number of Patients 6977 1332 4
Median Age, y (range) 47.1 (18–101) 56.2 (18–102) 42.2 (36–66)
Female (%) 4016 (58) 662 (50) 0 (0)
Non-White (%) 1315 (19) 168 (13) 0 (0)
Mean Charlson Score (range) 1.1 (0–12) 2.2 (0–14) 1.3 (0–4)
Mortality (%) 2.2 6.5 25.0
Hospital C
(n=10692)
Number of Patients 9641 1026 25
Median Age, y (range) 54.3 (18–106) 65.6 (18–97) 69.6 (42–87)
Female (%) 5612 (58) 535 (52) 11 (44)
Non-White (%) 2643 (27) 166 (16) 4 (16)
Mean Charlson Score (range) 1.6 (0–15) 2.5 (0–14) 2.2 (0–11)
Mortality (%) 3.3 8.4 28.0
Hospital D
(n=10201)
Number of Patients 9147 1036 18
Median Age, y (range) 53.9 (18–104) 63.4 (19–100) 70.1 (44–88)
Female (%) 5266 (58) 512 (49) 6 (33)
Non-White (%) 3153 (34) 231 (22) 2 (11)
Mean Charlson Score (range) 1.3 (0–15) 1.4 (0–11) 0.6 (0–3)
Mortality (%) 2.4 8.6 33.3
Hospital E
(n=4165)
Number of Patients 3530 635 0
Median Age, y (range) 49.9 (18–100) 50.6 (18–99) -
Female (%) 1691 (48) 237 (37) -
Non-White (%) 3139 (89) 552 (87) -
Mean Charlson Score (range) 0.5 (0–10) 0.7 (0–11) -
Mortality (%) 2.4 7.7 -
Overall
(n=61586)
Number of Patients 53527 7984 75
Median Age, y (range) 53.4 (18–106) 61.5 (18–105)2 68.2 (23–88)3
Female (%) 30312 (57) 3961 (50) 32 (43)
Non-White (%) 19325 (36) 2309 (29) 13 (17)
Mean Charlson Score (range) 1.4 (0–16) 2.0 (0–15)4 1.5 (0–11)5
Mortality (%) 2.7 10.2 38.7
1

Cases of recurrent CDI are excluded

2

p<.05 comparing age of patients with and without CDI

3

p=.03 comparing age of patients with CDI with and without colectomy

4

p<.05 comparing Charlson score of patients with and without CDI

5

p=0.04 comparing Charlson score of patients with CDI with and without colectomy