Table 3.

Comparison of CDAD in Medical vs. Post-Surgical Patients

	Medical CDAD (n = 432)	Post-Surgical CDAD (n = 49)	p value
Age	67.9 ± 17.1	64.4 ± 15.8	0.09
Male	162 (37.5)	12 (24.5)	0.07
Race/Ethnicity			0.89
White	121 (28.0)	14 (28.6)	0.93
Black	142 (32.9)	15 (30.6)	0.75
Hispanic	142 (32.9)	18 (36.7)	0.59
Other/Unknown	27 (6.2)	2 (4.1)	0.55
Any antibiotic given*	368 (85.2)	48 (98.0)	0.01
Cephalosporin†	131 (30.3)	9 (18.4)	0.08
Quinolone	196 (45.4)	21 (42.9)	0.74
Clindamycin	10 (2.3)	3 (6.1)	0.12
Imipenim	29 (6.7)	5 (10.2)	0.37
Proton-Pump Inhibitor given‡	252 (58.3)	19 (38.8)	0.009
Prior Hospitalization§	290 (67.1)	21 (42.9)	0.001
Admission Albumin	2.72 ± 0.71	2.66 ± 0.70	0.69
White Blood Cell Count∥	15.7 ± 14.2	14.5 ± 5.4	0.49
Charlson Score	3.13 ± 2.48	3.63 ± 3.25	0.54
Community Aquired¶	162 (37.5)	3 (6.1)	< 0.001
Hospital			0.47
Moses Division Hospital	268 (62.0)	33 (67.3)
Weiler Division Hospital	164 (38.0)	16 (32.7)

Continuous variables reported as mean ± standard deviation and compared using a t-test or Wilcoxon rank-sum test as appropriate

Dichotomous variables reported as number (percent) and compared using a chi-squared test

^*any antibacterial given within 30 days before diagnosis of CDAD

^†3rd or 4th generation cephalosporins: cefipime, ceftriaxone, cefpodoxime, cefotaxime

^‡any PPI given within 10 days before diagnosis of CDAD

^§any previous hospitalization within 180 days before diagnosis of CDAD

^∥measured at the time of CDAD diagnosis

^¶infection discovered within 48hrs of admission