Table 2.
Comparison of microbiological characteristics between survival and 30-day mortality subgroups
| Total number of isolates (n = 541) (%) | 30-day survival (n = 359 isolates) (%) |
30-day mortality (n = 182 isolates) (%) |
p value | |
|---|---|---|---|---|
| Gram-negative bacteria | 388(71.72) | 253(70.43) | 145(79.67) | 0.681 |
| Klebsiella pneumoniae | 94(17.37) | 57(15.88) | 37(20.03) | |
| Escherichia coli | 60(11.09) | 41(11.42) | 19(10.43) | |
| Klebsiella oxytoca | 58(10.72) | 37(10.30) | 21(11.53) | |
| Pseudomonas aeruginosa | 53(9.79) | 38 (10.58) | 15(8.24) | |
| Klebsiella. spp | 43(7.94) | 24 (6.68) | 14(7.69) | |
| Acinetobacter baumannii | 24(4.43) | 15 (4.17) | 09(4.94) | |
|
Pseudomonas aeruginosa Other |
24(4.43) 33 (6.09) |
16 (4.45) 23(6.00) |
08(4.39) 10(5.01) |
|
| Gram-positive bacteria | 116(21.45) | 84(23.59) | 32(17.58) | |
| MRSA | 42(7.82) | 28(07.79) | 14(7.69) | |
| Enterococcus spp. | 40(7.41) | 31(8.67) | 09(4.94) | |
|
CoNs Other |
17(3.11) 16(3.00) |
09(2.50) 12(3.25) |
05(2.74) 04(2.17) |
|
| Fungi | 37 (6.83) | 22(6.12) | 15(8.24) | |
|
Candida albicans Non albicans candida |
16(2.95) 21(3.88) |
11(3.06) 11(3.06) |
05(2.71) 10(5.49) |
|
| Source of infection | 0.011* | |||
| Pus | 189(34.93) | 150(43.30) | 39(7.73) | |
| Urine | 186(34.47) | 111(32.02) | 75(14.88) | |
| Blood | 84(15.56) | 41(10.74) | 43(8.55) | |
| Sputum | 55(10.24) | 39(0.33) | 16(3.17) | |
|
Tracheal aspirate Other |
11(2.02) 16(0.92) |
2(9.70) 14(10.41) |
09(1.73) 00(00) |
|
| Type of bacterial infection | 0.004* | |||
|
Monomicrobial Polymicrobial |
351(79.77) 89(20.23) |
248(82.77) 52(17.33) |
103(73.57) 37(43.43) |
|
| Type of infection | 0.487 | |||
|
Community-acquired Nosocomial |
134 (26.42) 407(75.28) |
64(21.34) 227(75.76) |
46(25.38) 136(74.72) |
|
| Type of bacteria | 0.653 | |||
|
Gram-negative bacteria Gram-positive bacteria |
388(76.98) 116(23.02) |
257(66.23) 80(68.96) |
131(33.77) 36(31.04) |
|
| Antimicrobial susceptibility | < 0.001* | |||
|
Sensitive MDR XDR |
100(23.52) 201(47.29) 124(29.17) |
87(29.89) 148(50.85) 56(19.99) |
13(9.70) 53(39.55) 68(50.76) |