Characteristics | Pro cluster (n = 27) | Fir-Bac cluster (n = 9) | P value |
---|---|---|---|
Demographics | |||
 Age, y | 67.74 ± 14.55 | 69.78 ± 12.44 | 0.709 |
 Gender, female, n (%) | 9 (33%) | 6 (67%) | 0.122 |
 BMI, kg/m2 | 23.45 ± 4.31 | 21.00 ± 4.40 | 0.152 |
 Smoker, n (%) | 6(22%) | 0 (0%) | 0.303 |
Primary disease | |||
 Respiratory diseasea, n (%) | 2(7%) | 8 (89%) | < 0.0001 |
 Gastrointestinal diseaseb, n (%) | 17 (63%) | 1 (11%) | |
 Neurological disease, n (%) | 4 (15%) | 0 (0%) | |
 Trauma, n (%) | 2 (7%) | 0 (0%) | |
 Bone and joint damage, n (%) | 1 (4%) | 0 (0%) | |
 Autoimmune disease, n (%) | 1 (4%) | 0 (0%) | |
Chronic coexisting disease | |||
 Chronic bronchitis | 3(11%) | 1(11%) | 1.000 |
 Chronic obstructive pulmonary disease | 2 (7%) | 0(0%) | 1.000 |
 Diabetes, n (%) | 3 (11%) | 3 (33%) | 0.151 |
 Hypertension, n (%) | 12 (44%) | 4 (44%) | 1.000 |
Disease severity | |||
 APACHE IIc | 18 [16,24] | 16 [9.5–24] | 0.233 |
 SOFAc | 8[2.5,10] | 5[3,7] | 0.263 |
Diagnosis of sepsis prior to sampling, n (%) | 15 (55%) | 6 (67%) | 0.705 |
Time of P. aeruginosa VAP onset, dayd | 15 [7–24] | 14 [2–60.5] | 0.971 |