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. 2023 Sep 21;55:101182. doi: 10.1016/j.nmni.2023.101182

Table 1.

Predictors of current culture identity.

Variable Univariate analysis
 Multivariate analysis
Not Matching
N ​= ​339 (34.9)		 Matching
N ​= ​631 (65.1)		 P value OR (95%CI) P value
Age, median [IQR] 65[52–72] 63[47–73] 0.248 0.997 (0.988–1.006) 0.560
Gender 0.135 Ref 0.090
  • •

    Female

 164 (48.4%) 337 (53.4%) 0.783 (0.590–1.039)
  • •

    Male

 175 (51.6%) 294 (46.6%)
Comorbidity 0.006 0.470
  • •

    No

 30 (8.8%) 95 (15.1%) Ref
  • •

    yes

 309 (91.2% 536 (84.9%) 0.836 (0.515–1.359)
Type of culture <0.001
  • •

    Urine

 149 (44.0%) 436 (69.1%) Ref <0.001
  • •

    Sputum

 34 (10.0%) 72 (11.4%) 0.705(0.442–1.127) 0.144
  • •

    Wound

 35 (10.3%) 16 (2.5%) 0.155(0.080–0.286) <0.001
  • •

    Blood

 121 (35.7%) 107 (17%) 0.234(0.153–0.356) <0.001
Prior antibiotic use 0.217 0.606
  • •

    No

 45 (13.3%) 67 (10.6%) Ref
  • •

    Yes

 294 (86.7%) 564 (89.4%) 1.126 (0.718–1.765)
Type of bacteria-current 0.014 0.021
  • •

    Gram positive

 90 (26.5%) 124 (19.7%) Ref
  • •

    Gram negative

 249 (73.5%) 507 (80.3%) 0.606 (0.395–0.928)
Interval between isolated pairs –days, median [IQR] 81[41–170] 65[35–136] 0.001 0.998 (0.996–1) 0.014