Table 4.
Demographic characteristics of 24 patients with cytotoxin-producing Klebsiella oxytoca without copathogens between 1 November 2009 and 31 March 2011 in Hong Konga
| Case (strain) | Sex/age (yr) | Epidemiological statusb | Clinical specialty, ward, date of specimen collection | Underlying disease(s) | Time between admission and isolation of K. oxytoca (days) | Antibiotic(s) used (cumulative no. of days of antibiotics use from admission to isolation of K. oxytoca) |
|---|---|---|---|---|---|---|
| 1 (1691474) | M/1 | Community associated | Pediatric, A, 1 Nov 2009 | None | 1 | None |
| 2 (1693177) | M/19 | Health care associated | BMT, B, 1 Nov 2009 | Lymphoma | 5 | None |
| 3 (1798034) | F/49 | Health care associated | Surgery, C, 13 Nov 2009 | None | 4 | Ceph (4) |
| 4 (1968101) | F/59 | Health care associated | Medicine, D, 12 Dec 2009 | AML | 3 | BLBI (3) |
| 5 (2987095) | F/37 | Community associated | Obstetric, E, 29 Dec 2009 | None | 2 | None |
| 6 (0017901) | M/41 | Community associated | Medicine, F, 4 Jan 2010 | None | 0c | None |
| 7 (0061917) | F/80 | Health care associated | Surgery, G, 12 Jan 2010 | CHF, DM | 46 | BLBI (27), Carbap (15) |
| 8 (0121046) | M/70 | Health care associated | Medicine, H, 22 Jan 2010 | CHF | 8 | BLBI (2) |
| 9 (0163242) | M/69 | Community associated | Medicine, I, 29 Jan 2010 | AML | 2 | Ceph (2) |
| 10 (0190800) | F/67 | Community associated | Surgery, J, 3 Feb 2010 | None | 2 | BLBI (1), Carbap (2) |
| 11 (0199562) | M/5 | Health care associated | Pediatric, A, 4 Feb 2010 | VSD | 6 | None |
| 12 (0309321) | M/74 | Community associated | Medicine, I, 25 Feb 2010 | RA | 0 | None |
| 13 (0310862) | F/53 | Health care associated | Surgery, K, 25 Feb 2010 | None | 8 | Ceph (8) |
| 14 (0519647) | F/1 | Health care associated | Pediatric, A, 1 Apr 2010 | Anoxic brain damage | 4 | None |
| 15 (0724195) | F/53 | Community associated | BMT, B, 7 May 2010 | AML | 1 | None |
| 16 (0872665) | M/28 | Health care associated | Medicine, L, 2 Jun 2010 | Lymphosarcoma | 103d | Ceph (1), FQ (18) |
| 17 (1369771) | M/82 | Health care associated | Medicine, I, 25 Aug 2010 | CA of pancreas | 6 | Ceph (6) |
| 18 (1977932) | M/69 | Health care associated | Surgery, M, 10 Dec 2010 | IHD | 60 | BLBI (18), Ceph (4), FQ (8) |
| 19 (0307532) | M/87 | Community associated | Surgery N, 24 Feb 2011 | CA of rectum | 2 | None |
| 20 (0336147) | M/2 | Community associated | Pediatric, O, 2 Mar 2011 | Lymphoma | 1 | None |
| 21 (0365099) | M/1 | Community associated | Surgery, P, 7 Mar 2011 | None | 1 | None |
| 22 (0390772) | M/64 | Health care associated | Medicine, Q, 11 Mar 2011 | Diverticulosis | 4 | Ceph (2) |
| 23 (0404130) | M/83 | Health care associated | Surgery, R, 14 Mar 2011 | CA of stomach | 30 | BLBI (20) |
| 24 (0464840) | F/11 | Community associated | Pediatric, A, 24 Mar 2011 | None | 1 | None |
AML, acute myeloid leukemia; BLBI, β-lactam/β-lactamase inhibitors; BMT, bone marrow transplantation; CA, carcinoma; Carbap, carbapenem group; Ceph, cephalosporin group; CHF, congestive heart failure; DM, diabetes mellitus; F, female; FQ, fluoroquinolones; IHD, ischemic heart disease; M, male; Pen, penicillin group; RA, rheumatoid arthritis; VSD, ventricular septal defect.
None of the patients were referred from a residential care home for elderly.
Day 0 indicates that K. oxytoca was isolated upon the date of admission.
The patient had an intermittent home leave arrangement for 19 days (1 March, 5 March, 8 March, 10 March, 13 March, 17 March, 25 March, 31 March, 6 April, 8 April, 17 April, 27 April, 3 May, 7 May, 15 May, 17 May, 24 May, and 26 to 27 May 2011) during hospitalization.