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Table 1 Description of included patients

From: The impact of methicillin-resistant S. aureus on length of stay, readmissions and costs: a register based case-control study of patients hospitalized in Norway

  Cases (n = 95) Controls (n = 346)
Variables n (%) n (%)
Male gender 49 (52%) 179 (52%)
Age
 0–9 16 (17%) 64 (18%)
 10–19 3 (3%) 9 (3%)
 20–29 5 (5%) 20 (6%)
 30–39 8 (8%) 29 (8%)
 40–49 9 (9%) 28 (8%)
 50–59 14 (15%) 44 (13%)
 60–69 14 (15%) 56 (16%)
 70–79 14 (15%) 51 (15%)
 80–89 11 (12%) 41 (12%)
  > 89 1 (1%) 4 (1%)
Comorbidity index
  68 (72%) 251 (73%)
 1 11 (12%) 39 (11%)
 2 13 (14%) 44 (13%)
 3 2 (2%) 8 (2%)
 8 1 (1%) 4 (1%)
Hospitals (anonymized)
 A 20 (21%) 74 (21%)
 B 18 (19%) 70 (20%)
 C 8 (8%) 32 (9%)
 D 8 (8%) 26 (8%)
 E 7 (7%) 28 (8%)
 F 6 (6%) 23 (7%)
 G 6 (6%) 22 (6%)
 H 4 (4%) 16 (5%)
 I 4 (4%) 13 (4%)
 J 4 (4%) 13 (4%)
 K 3 (3%) 12 (3%)
 L 2 (2%) 8 (2%)
 M 2 (2%) 2 (1%)
 N 1 (1%) 4 (1%)
 O 1 (1%) 2 (1%)
 P 1 (1%) 1 (0%)
Infections
 No infections 42 (44%) 185 (53%)
 Infection 53 (56%) 161 (47%)
  Non-severe infections 31 (33%) 100 (29%)
  Severe infections 15 (16%) 50 (14%)
Procedure
 Surgery 17 (18%) 48 (14%)