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Table 4 Patient characteristics: cases and controls

From: A multi-center nested case-control study on hospitalization costs and length of stay due to healthcare-associated infection

Variable

Cases(n = 175)

Controls(n = 175)

Mean age ± SD

58.15 ± 20.56

57.76 ± 20.09

Classification score of disease conditions

 1

40(22.9%)

40(22.9%)

 2

63(36.0%)

63(36.0%)

 3

42(24.0%)

42(24.0%)

 4

26(14.9%)

26(14.9%)

 5

4(2.3%)

4(2.3%)

Gender

 Male

99(56.6%)

99(56.6%)

 Female

76(43.4%)

76(43.4%)

Community infections

39(22.3%)

39(22.3%)

Repeated hospitalization

41(23.4%)

41(23.4%)

Low immune function

29(16.6%)

29(16.6%)