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Table 1 Patient details and variables

From: Recurrent ectopic pregnancy as a unique clinical sub group: a case control study

Variable

Type of variable

Primary [P]/secondary [S]

Description

Units of measurement [P present, A absent]

Age

Demographic characteristic

P

Age of each patient

Years

Parity

Demographic characteristic

P

No of deliveries

Number

Gestation

Demographic characteristic

P

Number of weeks of pregnancy

Weeks

Pain

Clinical characteristic

P

Presenting with abdominal pain

P/A

Vomiting

Clinical characteristic

P

In association with the other symptoms

P/A

Bleeding

Clinical characteristic

P

Vaginal bleeding

P/A

Diarrhoea

Clinical characteristic

P

In association with the other symptoms

P/A

Shoulder tip pain

Clinical characteristic

P

in association with the other symptoms

P/A

Syncope

Clinical characteristic

P

In association with the other symptoms

P/A

Smoking

Risk factor

P

Known long term smoking

P/A

Previous tubal surgery

Risk factor

P

Due to previous tubal pathology

P/A

Previous pelvic surgery

Risk factor

P

Due to previous pelvic pathology

P/A

Previous miscarriage

Risk factor

P

Diagnosed as miscarriage by scan and histopathology

P/A

Previous termination of pregnancy

Risk factor

P

Diagnosed as intra uterine pregnancy by scan and histopathology

P/A

Assisted reproduction

Risk factor

P

Previous pathology

P/A

Previous infertility

Risk factor

P

Previous pathology

P/A

Pelvic inflammatory disease

Risk factor

P

Previous pathology

P/A

Use of intrauterine contraceptive device

Risk factor

P

As contraceptive

P/A

Initial beta HCG level

Investigation

S

Blood test

mIU/ml

Transvaginal/trans-abdominal scan

Investigation

S

Ultrasound scan

Performed/not performed

Adnexal mass

Investigation

S

Scan finding

P/A

Gestational sac

Investigation

S

Scan finding

P/A

Fetal heartbeat

Investigation

S

Scan finding

P/A

Fluid in Pouch of Douglas

Investigation

S

Scan finding

P/A

Empty uterus

Investigation

S

Scan finding

P/A

Hemoperitoneum

Investigation

S

Scan findings

P/A

Laparotomy

Treatment

S

Intra operative findings

P/A

Tubal ectopic pregnancy

Treatment

S

Intra operative findings

P/A

Salpingectomy

Treatment

S

Intra operative findings

P/A

Salpingotomy

Treatment

S

Intra operative findings

P/A

Hemoperitoneum

Treatment

S

Intra operative findings

P/A

Presence of hepatic adhesions

Treatment

S

Intra operative findings

P/A

Contralateral pathology

Treatment

S

Intra operative findings

P/A