Table 1.

Characteristics of patients with renal or perinephric abscess according to diabetic status.

Variablesa)	RAb) patients without diabetes		RA patients with diabetes
	N	%	N	%
Sex
Male	136	28.5	368	21.5
Female	341	71.5	1347	78.5
Age (years)
<45	10	2.1	232	13.5
45-54	71	14.9	379	22.1
55-64	139	29.1	542	31.6
>64	257	53.9	562	32.8
Mean (SD)	64.5 (9.9)		58.2 (12.4)
Geographic area
North	159	34.0	607	35.9
Central	118	25.2	417	24.6
South	166	35.5	570	33.7
East	25	5.3	99	5.8
Urbanization level
Metropolis	169	35.8	583	34.4
Satellite city	110	23.3	453	26.7
Rural area	193	40.9	658	38.9
Treatment modality
Antimicrobials only	349	73.2	1291	75.3
Percutaneous drainage	78	16.3	242	14.1
Surgical drainage	28	5.9	109	6.3
Nephrectomy	22	4.6	73	4.3
Total	477	100.0	1715	100.0

^aInconsistency between total population and population summed from individual variables resulted from missing information.

^bRA: renal or perinephric abscess.