Inf/ TAP

Inf/ No-TAP

TA/TP No-Inf

P value

n

%

n

%

n

%

Age (months)

27.4 ± 39.8

54.4 ± 68.2

30.7 ± 63.7

<0.001

(Mean ± SE)

Year of surgery

1992-2000

201

32

60

31

54

37.3

( n = 315)

<0.0001

2001-2012

426

68

133

69

91

62.7

(n = 650)

Previous palliative surgery

Yes

12

1.9

3

1.6

2

1.4

0.052

No

615

98.1

190

98.4

143

98.6