Table 1 RIPASA and Alvarado scoring systems

Male

1

-

Female

0.5

-

Age <39.9 years

1

-

Age >40 years

0.5

-

RIF pain

0.5

-

Pain migration to RIF

0.5

1

Anorexia

1

1

Nausea &vomiting

1

1

Duration of symptoms ≤ 48h

1

-

Duration of symptoms >48 h

0.5

-

RIF tenderness

1

2

Guarding

2

-

Rebound tenderness

1

1

Rovsing’s sign

2

-

Fever >37.3 °C

1

1

WBC >10,000

1

2

Negative urine analysis

1

-

Foreign national registration identity card

1

-

Shift to left (neutrophilia)

-

1

Total score

17.5

10