Table 4 Relationship between modified RIPASA diagnosis and baseline and clinical characteristics of the patients

Age (years), mean ± SD

35.13 ± 10.3

26.87 ± 7.6

0.005*^a

Gender

  Male

4 (25)

18 (75)

0.003*^b

  Female

12 (75)

6 (25)

Manifestations

  Rt. iliac fossa pain

16 (100)

20 (83.3)

0.136^c

  Anorexia

6 (37.5)

10 (41.7)

0.792^b

  Nausea and vomiting

8 (50)

20 (83.3)

0.024*^c

  Fever

2 (12.5)

8 (20)

0.163^c

  Rt. iliac fossa tenderness

14 (87.5)

24 (100)

0.154^c

  Guarding

2 (12.5)

20 (83.3)

 < 0.001*^b

  Rebound tenderness

14 (87.5)

22 (91.7)

0.667^c

  Rovsing sign

10 (62.5)

14 (58.3)

0.792^b

Investigation

  Elevated WBCs

6 (37.5)

12 (50)

0.52^b

  Negative urine analysis

6 (37.5)

16 (66.7)

0.10^b