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Table 6 Distribution of study population according to mean appendix diameter, peri-appendix collection and presence of fecolith on USG (n = 110)

From: Evaluation of role of hyperbilirubinemia as a new diagnostic marker of complicated appendicitis

Complicated appendicitis

Mean appendix outer diameter on USG in two groups

n (%)

Mean diameter (mm)

SD

Χ2

df

p value

Abesent

75(68.2)

6.64

0.69

21.66

1

< 0.05

Present

35(31.8)

9.71

1.27

 

Distribution according to appendix diameter n(%)

< 7.6 mm

> 7.6 mm

Total

Χ2

df

p value

Abesent

33(94.29)

36(48)

69

21.66

1

< 0.05

Present

2(5.71)

39(52)

41

Total

35(31.8)

75(68.2)

110

 

Peri-appendix collection

Present n(%)

Absent n(%)

Total

Χ2

df

p value

Absent

0(0)

75(100)

75

76.67

1

< 0.05

Present

27(77.1)

8(22.9)

35

Total

27(24.5)

83(75.5)

110

 

Appendix lumen obstruction by fecolith n(%)

Present n(%)

Absent n(%)

Total

Χ2

df

p value

Absent

5(6.7)

70(93.3)

75

70.05

1

< 0.05

Present

31(88.6)

4(11.4)

35

Total

36(32.72)

74(67.28)

110