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Table 2 Distribution of features related to pregnant and non-pregnant women

From: Which appendicitis scoring system is most suitable for pregnant patients? A comparison of nine different systems

Variable

Pregnant

Non-pregnant

p value

Effect size*

Pathology

 Appendicitis

65 (82.3%)

66 (83.5%)

1

− 0.17

 Non-appendicitis

14 (17.7%)

13 (16.5%)

USG appendicitis

 Positive

57 (72.2%)

38 (48.1%)

0.002

0.246

 Negative

22 (27.8%)

41 (51.9%)

Pain severity

 Mild

1 (1.3%)

17 (21.5%)

< 0.001

0.691

 Moderate

21 (26.6%)

54 (68.4%)

 High

57 (72.2%)

5 (6.3%)

 Severe

0 (0%)

3 (3.8%)

Pain outside the right lower quadrant

 Positive

5 (6.3%)

11 (13.9%)

0.186

− 0.126

 Negative

74 (93.7%)

68 (86.1%)

Increased pain in follow-up

 Positive

25 (31.6%)

35 (44.3%)

0.101

− 0.13

 Negative

54 (68.4%)

44 (55.7%)

The spread of pain from the umbilicus

    

 Positive

26 (32.9%)

48 (60.8%)

< 0.001

− 0.279

 Negative

53 (67.1%)

31 (39.2%)

Vomiting

 Positive

28 (35.4%)

11 (13.9%)

0.003

0.25

 Negative

51 (64.6%)

68 (86.1%)

Anorexia

 Positive

31 (39.2%)

48 (60.8%)

0.007

− 0.215

 Negative

48 (60.8%)

31 (39.2%)

Duration of symptoms

 < 24 h

60 (75.9%)

23 (29.1%)

< 0.001

0.471

 24–48 h

12 (15.2%)

40 (50.6%)

 > 48 h

7 (8.9%)

14 (20.3%)

Right lower quadrant pain with cough

 Positive

36 (45.6%)

48 (60.8%)

0.560

− 0.152

 Negative

43 (54.4%)

31 (39.2%)

Bowel sounds

 Increased/metallic

1 (1.3%)

4 (5.1%)

< 0.001

0.537

 Normal

39 (49.4%)

73 (94.2%)

 Absent

39 (49.4%)

2 (2.5%)

Defense

 Absent

0 (0%)

24 (30.4%)

< 0.001

0.693

 Mild

1 (1.3%)

10 (12.7%)

 Moderate

26 (32.9%)

41 (51.9%)

 Severe

52 (65.8%)

4 (5.1%)

Right lower quadrant sensitivity

 Positive

79 (100%)

78 (98.7%)

1

0.08

 Negative

0 (0%)

1 (1.3%)

Rebound

 Positive

75 (94.8%)

58 (73.4%)

< 0.001

0.295

 Negative

4 (5.1%)

21 (26.6%)

Rovsing’s sign

 Positive

37 (46.8%)

16 (20.3%)

0.001

0.282

 Negative

42 (53.2%)

63 (79.7%)

Pyrexia

 Positive

16 (20.3%)

12 (15.2%)

0.532

0.066

 Negative

63 (79.7%)

67 (84.8%)

Left shift in neutrophils

 Positive

47 (59.5%)

23 (29.1%)

< 0.001

0.306

 Negative

32 (40.5%)

56 (70.9%)

Negative urinalysis

 Positive

79 (100%)

44 (55.7%)

< 0.001

0.533

 Negative

0 (0%)

35 (44.3%)

Follow-up time

 1 day

69 (87.3%)

53 (67.1%)

0.003

0.247

 2 days

9 (11.4%)

25 (31.6%)

 3 days

1 (1.3%)

1 (1.3%)

  1. The data are shown in number and percentage format
  2. *Phi or Cramer V coefficient is given as the effect size measure