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Table 3 Characteristics of patients and Univariate analysis between f EPE and NEPE postoperative meningitis

From: Phenotype, molecular characterisation and risk factors for postoperative meningitis caused by ESBL-producing-Enterobacteriaceae: a six years multi-Centre comparative cohort study

Characteristics Total (220) EPE (78) NEPE (142) Z/χ2 P
Age (years)     0.400 0.565
Median 45 45 43   
IQR 30–55 30–59 31–52   
Male% 126 (57.3%) 49 (62.8%) 77 (54.2%) 1.520 0.255
Hypertension 45 (20.4%) 18 (23.1%) 27 (19.0%) 0.511 0.489
Diabetes mellitus 16 (7.3%) 5 (6.4%) 11 (7.8%) 0.133 0.793
Fever (b.t > 38 °C) 130 (59.1%) 42 (53.8%) 88 (62.0%) 1.375 0.254
LD 99 (45.0%) 40 (51.3%) 59 (41.3%) 1.927 0.202
EVD 113 (51.4%) 36 (46.2%) 77 (54.2%) 1.313 0.263
Long surgery duration (> 180 min) 126 (57.3%) 50 (64.1%) 76 (53.5%) 2.304 0.155
CSF Leakage 48 (21.8%) 20 (25.6%) 28 (19.7%) 1.035 0.312
Reoperation 56 (25.4%) 24 (30.8%) 32 (22.5%) 1.799 0.198
AMV 72 (32.7%) 35 (44.9%) 37 (26.1%) 8.095 0.007
LOS (days)     1.326 0.198
Median 35 38 34   
IQR 20–41 20–42 20–40   
Time of cure of infection (days)     −1.620 0.626
Median 13 13 13   
IQR 8–20 7–18 8–22   
Surgical wound classification     5.265 0.024
Clean (I) 116 (52.7%) 51 (65.4%) 70 (49.3%)   
Clean-contaminate (II) 104 (47.3%) 27 (34.6%) 72 (51.7%)   
Craniotomy 114 (51.8%) 54 (69.2%) 60 (42.2%) 14.675 < 0.001
GCS     −1.984 0.232
Median 8 8 9   
IQR 6–12 5–10 7–12   
Postoperative infection time     1.284 0.366
Median 7 8 7   
IQR 4–13 4–14 3–12   
ICU admission 89 (40.4%) 37 (47.4%) 52 (36.6%) 2.445 0.151
Malignancy 103 (46.8%) 44 (56.4%) 59 (41.6%) 4.466 0.048
Bacteraemia 49 (22.3%) 19 (24.4%) 30 (21.1%) 0.304 0.613
Hospital-acquired pneumonia 67 (30.4%) 27 (34.6%) 40 (28.2%) 0.988 0.359