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Table 1 Characteristics of newborns with SA-infections

From: Epidemiology, antibiotic consumption and molecular characterisation of Staphylococcus aureus infections – data from the Polish Neonatology Surveillance Network, 2009–2012

 

Infants with MSSA-infections [N = 39]

Infants with MRSA-infections [N = 19]

P-value

Risk factors of patients

average (95%CI)

average (95%CI)

Birth weight [grams]

873.7 (791.0–956.5)

948.3 (817.3–1079.4)

0.304

Gestational age [weeks]

27.7 (26.8–28.6)

27.2 (25.6–28.8)

0.316

CRIB

5.5 (3.5–7.5)

2.4 (1.9–6.8)

0.049

Apgar (1 min.)

4.9 (4.3–5.6)

4,7 (3.7–5.8)

0.860

Apgar (5 min.)

6.2 (5.6–6.8)

6.0 (4.8–7.2)

0.817

length of stay in hospital [days]

56.2 (49.1–63.2)

48.4 (37.1–59.8)

0.197

length of hospital stay until infection [days]

23.8 (19.7–28.5)

14.7 (9.8–19.7)

0.019

DOT

11.2 (9.6–12.7)

12.3 (7.7–16.8)

0.885

DDD

30.2 (22.6–37.8)

26.0 (16.4–33.5)

0.457

Risk factors of patients

number (%)

number (%)

OR (95%CI) P-value

Female gender

19 (48.7)

7 (36.8)

0.614 (0.200–1.889) 0.393

Breast feeding

4 (10.5)

1 (5.6)

0.486 (0.051–4.677) 0.542

Trophic feeding

21 (55.3)

12 (66.7)

1.470 (0.477–4.525) 0.418

Total parenteral nutrition

25 (65.8)

15 (79.0)

2.1 (0.583–7.571) 0.306

Fatal cases

0 (0.0)

2 (10.5)

n/a; n/a; 0.039

  1. CRIB, clinical risk index for babies; DOT, the aggregate sum of the number of days during which at least 1 dose of antibiotic was received for each one received, days of treatment; DDD, defined daily dose expressed in days.