Factors

Failure n (%)

OR

95% Confidence Interval

p value

Age (in years)

< 60

4(17.5)

0.351

0.058-2.106

0.241

≥ 60

3(37.5)

Gender

Male

6(21.4)

0.545

0.042-7.088

0.639

Female

1(33.3)

Number of drains

Single

5(20.8)

0.658

0.097-4.456

0.667

Multiple

2(28.6)

Type of imaging

CT scan

6(37.5)

8.4

0.870-81.08

0.054

USG

1(6.7)

Type of procedure

Elective

6(22.2)

0.857

0.075-9.817

0.901

Emergency

1(25)

Post op cases

Yes

0

-

-

-

No

7(26.9)

Drain fluid culture

Growth

2(22.2)

0.971

0.151-6.247

0.976

No growth

5(22.7)

Factors

Failure

Success

p value

Mean

SD

Mean

SD

Age

52.3

19.8

46.5

17.9

0.776

Size

554.4

876.4

560.5

690.5

0.787

Serum Albumin

2.98

0.78

3.16

0.61

0.492

TLC

7583.3

3470.1

14018.2

8433.5

0.012*

Interval between onset and drainage

19.9

19.8

19.3

29.3

0.740

Average daily drain output

148.3

72.4

180.1

170.5

0.759

Drain Amylase

9546.4

16602.2

1152.2

3961.3

0.047*

Duration of antibiotics (in days)

16.0

4.7

11.5

5.3

0.021*