Skip to main content

Table 1 Demographic details of CRE patients and control patients

From: Risk factors for acquisition of carbapenem resistant Enterobacteriaceae in an acute tertiary care hospital in Singapore

Demographic CP-CRE patients Control Standards X-value
(N = 203) (N = 203) (p-value)
n (%) n (%) n (%) (case vs. standards)
Mean age ± SD (years) 64.3 ± 16.0 64.0 ± 15.7 - -
(mean years 95 % confidence interval) (62.1–66.5) (61.9–66.2)
Gender     
 Male 113 (55.7 %) 113 (55.7 %) 1,891,500 (49.2 %)[a] 3.331
 Female 90 (44.3 %) 90 (44.3 %) 1,953,200 (50.8 %)[a] (0.068)
Paying class     
(based on collection ward)     
 Class A 16 (7.9 %) 26 (12.8 %) 5696 (7.2 %)[b]  
 Class B1/B1+ 20 (9.9 %) 15 (7.4 %) 9050 (11.5 %)[b] 9.086
 Class B2 86 (42.4 %) 77 (37.9 %) 32,048 (40.8 %)[b] (0.028)*
 Class C 81 (39.9 %) 85 (41.9 %) 24,028 (30.6 %)[b]  
Ethnic group     
 Chinese 134 (66.0 %) 133 (72.7 %) 2,853,800 (74.2 %)[a]  
 Malay 29 (14.3 %) 32 (17.5 %) 512,800 (13.3 %)[a] 5.437
 Indian 16 (7.9 %) 16 (8.7 %) 351,700 (9.1 %)[a] (0.142)
 Others (Singaporean) 1 (0.5 %) 2 (1.1 %) 126,500 (3.3 %)[a]  
 Others: Bangladeshi 7 (3.4 %) 1 (0.5 %) - -
 Others: Burmese 1 (0.5 %) 1 (0.5 %) - -
 Others: Chinese 1 (0.5 %) 4 (1.9 %) - -
 Others: Indian 2 (1.0 %) 2 (1.0 %) - -
 Others: Indonesian 4 (1.9 %) 4 (1.9 %) - -
 Others: Malaysian 2 (1.0 %) 0 (0 %)   
 Others: Oman 1 (0.5 %) 0 (0 %)   
 Others: Pakistani 2 (1.0 %) 0 (0 %)   
 Others: Qatar 0 (0 %) 1 (0.5 %) - -
 Others: Thai 0 (0 %) 1 (0.5 %) - -
 Others: UAE 0 (0 %) 2 (1.0 %)   
 Others: Vietnamese 3 (1.5 %) 3 (1.5 %) - -
  1. *p < 0.05 (Significance of association; 2-tailed)
  2. aDepartment of Statistics Singapore, 2013, Population Trends 2013
  3. bSGH Bulletin Beds in Service by Ward and Bed Class (2013)