Table 1.

Descriptive statistics of antimicrobial resistance in ambulatory-onset urine Enterobacterales isolates (2011–2020)

Organism	Antimicrobial resistance
	ESBL phenotype			Beta-lactam			Trimethoprim/sulfamethoxazole			Fluoroquinolones			Nitrofurantoin
	Tested	NS	% NS	Tested	NS	% NS	Tested	NS	% NS	Tested	NS	% NS	Tested	NS	% NS
All	2,095,447	145,448	6.9	2,228,515	1,280,780	57.5	2,228,515	513,945	23.1	2,228,515	459,339	20.6	2,228,515	450,818	20.2
E. coli	1,623,448	116,843	7.2	1,623,448	817,083	50.3	1,623,448	422,699	26.0	1,623,448	376,459	23.2	1,623,448	64,194	4.0
K. pneumoniae	301,628	17,359	5.8	301,628	274,284	90.9	301,628	33,231	11.0	301,628	18,003	6.0	301,628	174,453	57.8
P. mirabilis	139,204	8991	6.5	139,204	38,423	27.6	139,204	36,105	25.9	139,204	43,767	31.4	139,204	124,276	89.3
E. cloacae				39,007	35,090	90.0	39,007	5442	14.0	39,007	3110	8.0	39,007	25,143	64.5
K. oxytoca	31,167	2255	7.2	31,167	29,636	95.1	31,167	2939	9.4	31,167	1715	5.5	31,167	5010	16.1
K. aerogenes				30,234	26,770	88.5	30,234	836	2.8	30,234	889	2.9	30,234	23,851	78.9
C. freundii				28,300	25,808	91.2	28,300	4475	15.8	28,300	2668	9.4	28,300	2012	7.1
M. morganii				16,162	15,585	96.4	16,162	5609	34.7	16,162	5799	35.9	16,162	14,296	88.5
P. stuartii				7916	7675	97.0	7916	2272	28.7	7916	5957	75.3	7916	6984	88.2
S. marcsescens				11,449	10,426	91.1	11,449	337	2.9	11,449	972	8.5	11,449	10,599	92.6

ESBL extended-spectrum beta-lactamase-producing phenotype, NS not susceptible