Health care consequences of hospitalization with Clostrioides difficile infection: a propensity score matching study

Table 2 Baseline characteristics of the incident CDI and control groups

Variable	Incidence CDI cases N = 28,897	Controls N = 3,685,589	Standardized difference in %^#	p-value*
Age	67.55 ± 17.72 [median 70 (57–81)]	56.69 ± 20.79 [median 58 (38–73)]	56.182	< 0.001
Female sex	57.41%	57.59%	− 0.365	0.5365
Race				< 0.001
White	68.91%	58.88%	21.012
Black	13.93%	18.65%	− 12.833
Other	17.16%	22.47%	− 13.345
Ethnicity_class Hispanic/Other	11.52%	16.18%	− 13.499	< 0.001
Insurance_status				< 0.001
Private/other	20.61%	31.58%	− 25.184
Medicare	65.19%	41.95%	47.919
Medicaid	14.20%	26.46%	− 30.842
Total CCI groups per record**	1.12 ± 1.43 [median 0 (0–2)]	0.74 ± 1.20 [median 0 (0–1)]	29.239	< 0.001

*P-values based on the Chi-square and the two-sample t-tests
^#The standardized difference in% is the mean difference as a percentage of the average standard deviation
All categorical data are reported as percentages. The 2 continuous variables, Age and Total CCI groups per record are reported as mean ± SD and median (25th, 75th percentiles)

ISSN: 1471-2334