Table 4. Epidemiological relatedness of ESBL-producing E. coli isolates typed using Raman spectroscopy only.

Cluster no.	No. of patients	Healthcare-relateda	Model 2
			Definite	Probable	Possible	Impossible
1	3	0	0	0	0	3
2	9	8	0	0	0	9
3	3	0	0	0	0	3
4	3	1	0	0	0	3
5	2	2	0	0	1	1
6	2	1	0	0	0	2
7	2	1	0	0	0	2
8	2	1	0	0	0	2
9	22	6	0	0	0	22
10	26	5	0	0	0	26
11	4	2	0	0	0	4
12	2	0	0	0	0	2
13	5	5	0	0	0	5
14	12	2	0	0	0	12
15	2	0	0	0	0	2
16	2	0	0	0	0	2
Total	101	34	0	0	1	100

^aPositive sample identified between 48 hours after admission and within 48 hours after discharge.