Table 4

Baseline characteristics of the two subpopulations in the final analysis set

Characteristics

Adequate IIAT according to PEG guidelines

p value

yes

No

Number of cases

107

114

Male/female

73/34

73/41

Age (+/-SD)

63.4(+/-13.3)

65.2(+/-14.0)

n.s.

DRG cost weight (+/-SD)

8.663(+/-5.947)

10.071(+/-5.882)

n.s.

Type of intervention

Surgical procedure

102

99

n.s.

Other procedure

5

4

n.s.

Medical

7

4

n.s.

Primary diagnosis (ICD 10 chapter)

I Infections and parasitic diseases

1

2

n.s.

II Neoplasms

18

15

n.s.

III Blood

3

2

n.s.

VI Nervous system

4

4

n.s.

IX Circulatory system

63

67

n.s.

X Respiratory system

2

2

n.s.

XI Digestive system

4

2

n.s.

XIII Musculoskeletal system

2

1

n.s.

XIV Genitourinary system

1

0

n.s.

XVIII Symptoms, signs and abnormal clinical and laboratory findings, not classified elsewhere

0

1

n.s.

XIX Injury, poisoning and other consequences of external causes

16

11

n.s.

n.s. = not statistically significant

Wilke et al. European Journal of Medical Research 2011 16:315   doi:10.1186/2047-783X-16-7-315