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Table 2 Descriptive analysis of different parameters of the three study groups

From: The impact of early surgical intervention in free intestinal perforation: a time-to-intervention pilot study

  

<3 h

3–9 h

>9 h

 
 

N

n

Mean

SD

Median [IQR]

n

Mean

SD

Median [IQR]

n

Mean

SD

Median [IQR]

p-Value

Before surgery

 Serum lactate

46

9

2,45

1,66193

1,9 [1.2, 3.2]

28

2,6404

2,67295

1,8 [1.175; 2.875]

9

1,9733

0,99991

1,7 [1.235; 2.645]

0,661

 pH

49

17

7,34

0,05374

7,33 [7.3, 7.375]

23

7,3422

0,10904

7,38 [7.24; 7.41]

9

7,4144

0,04613

7,43 [7.4; 7.445]

0,074

 BE

49

17

−3,3824

2,56131

−3,8 [−5.35, −0.9]

23

−4,8

6,70271

−3,8 [−8.5; 0.4]

9

−1,0778

6,41693

−2,2 [−5.4; 1.4]

0,95

 Glucose

55

11

152,684

70,4683

138 [101, 166]

33

150,494

73,9948

136 [100; 165]

11

163,909

68,9775

148 [107; 176]

0,869

 Hemoglobin

75

24

12,417

3,0039

12,6 [9.7, 14.65]

36

13,681

13,8924

11 [9.475; 13.575]

15

10,593

1,9036

9,9 [9.1; 11.8]

0,11

 Creatinine

76

25

1,352

1,138

1 [0.8, 1.25]

36

7,136

34,2748

1 [0.8; 2.05]

15

1,347

0,9782

1 [0.8; 1.5]

0,781

 Urea

76

25

59,68

54,4225

41 [25, 83]

36

64,764

62,7524

42,5 [32.25; 73.75]

15

76,133

41,8857

63 [43; 108]

0,175

 Leukocytes

76

25

12,276

7,2799

12,3 [7.25, 17.2]

36

12,328

8,8553

9,25 [7.975; 15.775]

15

11,373

7,0199

9,3 [6.1; 12.9]

0,808

 CRP

75

25

141,6148

157,91994

74,3 [9.05, 253]

36

168,0072

131,14877

149,175 [42.32; 250.28]

14

181,7514

137,22675

155,7 [56.28; 320.4]

0,176

 PCT

12

3

13,267

14,584

10,6 [0.2, 0

7

8,714

12,3999

0,8 [0.4; 15]

2

12,95

15,3442

12,95 [2.1; 0]

1

After Surgery

 Serum lactate

66

15

2,9718

2,19183

2,25 [1.35, 4]

36

1,9333

1,41219

1,4 [1.1; 2.775]

15

2,3867

1,92423

1,8 [1.2; 2.2]

0,06

 pH

74

23

7,302

0,082848

7,308 [7.231, 7.37]

36

7,346

0,079749

7,35 [7.31; 7.4]

15

7,33233

0,080053

7,31 [7.265; 7.4]

0,072

 BE

74

23

−5,4348

3,49488

−5,1 [−8.4, −3]

36

−3,7389

3,98929

−3,8 [−5.4; −2.2]

15

−3,8467

5,18871

−4,5 [−6.2; −2.3]

0,059

 Glucose

75

24

126,288

42,1621

122 [1104, 145.75]

36

130,717

51,9907

134,5 [107.25; 144.75]

15

172,467

54,1702

175 [138; 221]

0,118

 Hemoglobin

75

24

16,438

22,6004

11,9 [10.25, 13.68]

36

17,181

28,0558

10,65 [9.425; 13.08]

15

10,367

2,4555

10,4 [9.6; 11.6]

0,065

 Creatinine

75

24

1,304

1,1035

1 [0.9, 1.12]

36

1,45

0,7865

1,2 [0.825; 1.7]

15

1,267

0,8156

0,9 [0.8; 1.6]

0,319

 Urea

75

24

54,67

47,416

39,5 [26.25, 49.5]

36

71,08

56,263

59 [36; 78]

15

74,13

43,083

67 [47; 83]

0,025

 Leukocytes

75

24

10,129

5,9572

9,4 [4.95, 13.4

36

10,597

6,5088

8,45 [6.43; 13.2]

15

12,02

7,4694

12,9 [4.6; 16.9]

0,759

 CRP

75

24

137,0608

110,5366

140,93 [31.2, 229.4]

36

168,595

107,2545

156,555 [76.8; 228.5]

15

182,9213

104,25169

184,2 [115; 256]

0,175

 PCT

13

3

20,933

20,9381

17,7 [1.8, 0]

9

20,933

20,9381

17,7 [5.35; 29.6]

1

26,356

34,8009

14,4 [9.75; 30.5]

1

  1. BE base excess, CRP C-reactive protein, PCT procalcitonin