Table 3.

Clinical Outcomes of Patients With Carbapenemase-Producing Escherichia coli (CP-Ec) Infection

Total Patients (N = 57)MBL-Ec (n = 19)Non–MBL-Ec (n = 38)P (α = 0.05)a
Clinical response39 (68%)14 (74%)25 (66%).76
Disposition after dischargeb.06
 Home38 (67%)16 (84%)22 (58%)
 Other care facility5 (9%)2 (11%)3 (8%)
 Hospice or death14 (25%)1 (5%)13 (34%)
Time from culture to discharge, median days (Q1, Q3)18 (7, 25)21 (6, 54)17.5 (8, 24).35c
30-Day mortality10 (18%)0/19 (0%)10/38 (26%).02
90-Day mortality15 (26%)0/19 (0%)15/38 (39%).001
DOOR outcomes (30 d)62.0% (48.2%-74.3%)d
 Alive without events25 (44%)10 (53%)15 (39%)
 Alive with 1 event11 (19%)4 (21%)7 (18%)
 Alive with 2 or 3 events11 (19%)5 (26%)6 (16%)
 Dead10 (18%)0 (0%)10 (26%)
Total Patients (N = 57)MBL-Ec (n = 19)Non–MBL-Ec (n = 38)P (α = 0.05)a
Clinical response39 (68%)14 (74%)25 (66%).76
Disposition after dischargeb.06
 Home38 (67%)16 (84%)22 (58%)
 Other care facility5 (9%)2 (11%)3 (8%)
 Hospice or death14 (25%)1 (5%)13 (34%)
Time from culture to discharge, median days (Q1, Q3)18 (7, 25)21 (6, 54)17.5 (8, 24).35c
30-Day mortality10 (18%)0/19 (0%)10/38 (26%).02
90-Day mortality15 (26%)0/19 (0%)15/38 (39%).001
DOOR outcomes (30 d)62.0% (48.2%-74.3%)d
 Alive without events25 (44%)10 (53%)15 (39%)
 Alive with 1 event11 (19%)4 (21%)7 (18%)
 Alive with 2 or 3 events11 (19%)5 (26%)6 (16%)
 Dead10 (18%)0 (0%)10 (26%)

Data are presented as n (%).

Abbreviations: DOOR, desirability of outcome ranking; MBL, metallo-β-lactamase; Q, quartile.

Statistical tests performed include chi-square test for categorical variables, except in the case of low expected cell counts when Fisher's exact was used, and Kruskal-Wallis test for differences in distributions for continuous variables. P values compare isolates harboring MBL with those not harboring MBL.

Disposition to “other care facility” includes 3 transfers to another hospital, 1 transfer to long-term care, 1 transfer to long-term acute care.

Kruskal-Wallis test.

DOOR probability (95% confidence interval), or the probability that a randomly selected patient in 1 group would have a better overall outcome than a randomly selected patient in the comparison group.

Table 3.

Clinical Outcomes of Patients With Carbapenemase-Producing Escherichia coli (CP-Ec) Infection

Total Patients (N = 57)MBL-Ec (n = 19)Non–MBL-Ec (n = 38)P (α = 0.05)a
Clinical response39 (68%)14 (74%)25 (66%).76
Disposition after dischargeb.06
 Home38 (67%)16 (84%)22 (58%)
 Other care facility5 (9%)2 (11%)3 (8%)
 Hospice or death14 (25%)1 (5%)13 (34%)
Time from culture to discharge, median days (Q1, Q3)18 (7, 25)21 (6, 54)17.5 (8, 24).35c
30-Day mortality10 (18%)0/19 (0%)10/38 (26%).02
90-Day mortality15 (26%)0/19 (0%)15/38 (39%).001
DOOR outcomes (30 d)62.0% (48.2%-74.3%)d
 Alive without events25 (44%)10 (53%)15 (39%)
 Alive with 1 event11 (19%)4 (21%)7 (18%)
 Alive with 2 or 3 events11 (19%)5 (26%)6 (16%)
 Dead10 (18%)0 (0%)10 (26%)
Total Patients (N = 57)MBL-Ec (n = 19)Non–MBL-Ec (n = 38)P (α = 0.05)a
Clinical response39 (68%)14 (74%)25 (66%).76
Disposition after dischargeb.06
 Home38 (67%)16 (84%)22 (58%)
 Other care facility5 (9%)2 (11%)3 (8%)
 Hospice or death14 (25%)1 (5%)13 (34%)
Time from culture to discharge, median days (Q1, Q3)18 (7, 25)21 (6, 54)17.5 (8, 24).35c
30-Day mortality10 (18%)0/19 (0%)10/38 (26%).02
90-Day mortality15 (26%)0/19 (0%)15/38 (39%).001
DOOR outcomes (30 d)62.0% (48.2%-74.3%)d
 Alive without events25 (44%)10 (53%)15 (39%)
 Alive with 1 event11 (19%)4 (21%)7 (18%)
 Alive with 2 or 3 events11 (19%)5 (26%)6 (16%)
 Dead10 (18%)0 (0%)10 (26%)

Data are presented as n (%).

Abbreviations: DOOR, desirability of outcome ranking; MBL, metallo-β-lactamase; Q, quartile.

Statistical tests performed include chi-square test for categorical variables, except in the case of low expected cell counts when Fisher's exact was used, and Kruskal-Wallis test for differences in distributions for continuous variables. P values compare isolates harboring MBL with those not harboring MBL.

Disposition to “other care facility” includes 3 transfers to another hospital, 1 transfer to long-term care, 1 transfer to long-term acute care.

Kruskal-Wallis test.

DOOR probability (95% confidence interval), or the probability that a randomly selected patient in 1 group would have a better overall outcome than a randomly selected patient in the comparison group.

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