Risk factors and clinical responses of pneumonia patients with colistin-resistant Acinetobacter baumannii-calcoaceticus

Table 3 Clinical Characteristics and Antibiotic treatment combinations of patients with ventilator-associated pneumonia due to colistin-resistant Acinetobacter baumannii - calcoaceticus complex (part 2)

Variables	Patients’ number with ventilator associated pneumonia due to colistin-resistant Acinetobacter baumannii-calcoaceticus complex
Isolate number of patients	9	10	11	12	13	14	15	16
Culture location	TA	TA	TA	TA	TA	TA	BAL	TA
Phenotype of isolate	3	4	3	1	1	4	4	1
MIC of isolate	> 256	32	> 256	16	6	8	24	4
Treatment	4	5	1	1	2	7	6	1
Clinical response	Yes	Yes	No	Yes	Yes	Yes	Yes	No
Laboratory response	Yes	Yes	No	Yes	Yes	Yes	Yes	No
Radiological response	Yes	Yes	No	Yes	No	Yes	Yes	No
Microbiological response	Yes	Yes	No	No	No	No	Yes	No
VAP related mortality	No	No	Yes	No	Yes	No	No	Yes

Treatment 1: meropenem + colistin, Treatment 2: meropenem + ampicillin/sulbactam, Treatment 4: colistin + ampicillin/sulbactam + trimethoprim/sulfamethoxazole, Treatment 5: colistin + ampicillin/sulbactam, Treatment 6: meropenem + trimethoprim/sulfamethoxazole, Treatment 7: meropenem + sulbactam + trimethoprim/sulfamethoxazole. MIC: Minimum inhibitory concentration; VAP: Ventilator-associated pneumonia; BAL: Bronchoalveolar lavage; TA: Tracheal aspirate.