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Table 1 Factors associated with the all-cause mortality among ICU-acquired infections patients

From: Survival rate in patients with ICU-acquired infections and its related factors in Iran’s hospitals

Variable Alive (19,549) Dead (13,449) Total (32,998) P-value*
N (%) N (%) N
Gender Male 11,782 (61.36) 7420 (38.64) 19,202 < 0.001
Female 7727 (56.2) 6021 (43.8) 13,748
Hospitalization-infection length ≤8 days 11,241 (65.09) 6030 (34.91) 17,271 < 0.001
> 8 days 8308 (52.83) 7419 (47.17) 15,727
Ward type Surgical ICU 4087 (59.86) 2741 (40.14) 6828 < 0.001
General ICU 8228 (54.8) 6786 (45.2) 15,014
Internal ICU 2743 (47.15) 3075 (52.85) 5818
Pediatric ICU 1030 (76.24) 321 (23.76) 1361
Neonatal ICU 3461 (86.81) 526 (13.19) 3987
Infection type BSI 2470 (58.45) 1756 (41.55) 4226 < 0.001
PENU & LRTI 3404 (71.66) 1346 (28.34) 4750
SSI 1333 (71.13) 541 (28.87) 1874
UTI 4008 (61.66) 2492 (38.34) 6500
VAE 6421 (48.97) 6690 (51.03) 13,111
Other 1913 (75. 4) 624 (24. 6) 2537
Device use Yes 11,023 (52.76) 9870 (47.24) 20,893 < 0.001
No 8526 (70.43) 3579 (29.57) 12,105
Device type Catheters 3633 (56.46) 2802 (43.54) 6435 < 0.001
Ventilators 6820 (50.13) 6784 (49.87) 13,604
Other 570 (66.74) 284 (33.26) 854
Without device 8526 (70.43) 3579 (29.57) 12,105
Microorganism Staphylococcus epidermidis 885 (73.26) 323 (26.74) 1208 < 0.001
Staphylococcus aureus 995 (62.66) 593 (37.34) 1588
Coagulase negative staphylococci 548 (66.26) 279 (33.74) 827
Acinetobacter 2617 (48.01) 2834 (51.99) 5451
Escherichia coli 2373 (59.89) 1589 (40.11) 3962
Enterobacter 901 (63.18) 525 (36.82) 1426
Enterococcus 435 (59.92) 291 (40.08) 726
Pseudomonas aeruginosa 1474 (58.28) 1055 (41.72) 2529
Citrobacter 328 (58.89) 229 (41.11) 557
Candida 467 (45.43) 561 (54.75) 1028
Candida albicans 284 (55.15) 231 (44.85) 515
Klebsiella 1875 (57.23) 1401 (42.77) 3276
Klebsiella pneumoniae 921 (48.78) 967 (51.22) 1888
Other 1804 (62.6) 1078 (37.4) 2882
Unknown 3642 (70.93) 1493 (29.07) 5135
Hospital type Government 16,121 (59.45) 10,998 (40.55) 27,119 < 0.001
Semi-government 581 (43.78) 746 (56.22) 1327
Private 2045 (63.14) 1194 (36.86) 3239
Other 516 (53.86) 442 (46.99) 958
  1. *Based on Chi-square test
  2. BSI Blood Stream Infections, PENU & LRI Pneumonia Events & Lower Respiratory Tract Infection, SSI Surgical Site Infection, UTI Urinary Tract Infection, VAE Ventilator Associated Events.