Table 1 Demographic, clinical characteristics, and laboratory data of the patients with and without aortic root abscess, median ± IQR or N (%)

Age

31 (24, 40.5)

32 (24,43)

0.36

Male gender

42 (68.9%)

122 (54.5%)

0.04

 RHD

27 (45.0%)

121 (54.3%)

0.20

 Mechanical prosthesis

31 (50.8%)

40 (17.9%)

< 0.001

 Congenital heart disease

11 (18.3%)

16 (7.1%)

0.009

 Bicuspid aortic valve

8 (13.1%)

9 (4.0%)

0.01

 Prior IE

8 (13.3%)

8 (3.6%)

0.008

 Degenerative heart disease

4 (6.6%)

23 (10.4%)

0.37

 IV drug abuse

0 (0%)

7 (3.1%)

0.35

 Normal Heart

1 (1.6%)

17 (7.6%)

0.14

 DM

6 (9.8%)

15 (6.7%)

0.41

 CKD

4 (6.6%)

22 (9.8%)

0.43

 Hemodialysis

3 (4.9%)

8 (3.6%)

0.70

 Chronic steroid use

0 (0%)

12 (5.4%)

0.08

 Chronic hepatic disease

1 (1.6%)

10 (4.5%)

0.47

 Collagen vascular disease

0 (0%)

6 (6.7%)

0.35

 Duration of symptoms (Days)

30 (14, 90)

28 (14, 84)

0.77

 Temperature (Celsius)

38 (37, 39)

38 (37.5, 39)

0.82

 Heart rate (bpm)

100 (96,120)

100 (90,110)

0.11

 Anemia

52 (94.5%)

199 (93.9%)

0.999

 Minimum Hemoglobin (gm/dL).

8.9 (7.5, 10)

9.0 (7.7, 10.2)

0.61

 Leukocytosis

39 (68.4%)

137 (65.2%)

0.65

 TLC (*10³/cc)

13 (10.1, 17.3)

13 (9, 18.4)

0.96

 Initial Creatinine (mg/dl)

0.9 (0.7, 1.2)

0.9 (0.7, 1.2)

0.87

 CRP (mg/L)

120 (48, 183)

77 (37, 130)

0.03

 Antibiotic use before referral

67.8%

70.5%

0.69

 Surgical management

44(73.3%)

121(66.5%)

0.32