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Table 1 Baseline data of the studied population (clinical history)

From: The clinical and imaging presentation of acute "non complicated" pyelonephritis: A new profile for an ancient disease

Patient features

Single

lesions

Multiple lesions

P

Simple lesions

Abscessed

Lesions

p

All cases

N

24

95

-

72

47

-

119

Age

28

(15-72)

33

(15-68)

0.38*

30.5

(15-72)

34

(16-63)

0.80*

32

(15-72)

History of frequent UTI

14

(58.3%)

41

(43.6%)

0.29^

38

(52.8%)

17

(36.2%)

0.11^

55

(46.2%)

Previous scars (APN)

2

(8.3%)

16

(16.8%)

0.47^

13

(18.1%)

5

(10.6%)

0.4^

18

(15.1%)

History of stone disease (§)

5

(20.8%)

14

(14.7%)

0.68^

16

(22.2%)

3

(6.4%)

0.04^

19

(16%)

Previous pregnancy

9

(37.5%)

40

(42.1%)

0.69^

31

(43.1%)

18

(38.3%)

0.29^

49

(41.2%)

Birth control pills

5

(20.8%)

21

(22.1%)

1^

15

(20.8%)

11

(23.4%)

0.92^

26

(21.8%)

  1. * Mann-Whitney U test
  2. ^ Pearson's chi-square test
  3. § By definition, patients with active stone disease were excluded.