Pelvic Inflammatory Disease: Likelihood Ratios

Introduction: Infection of the internal female genital organs.

50% from Chlamydia trachomatis. Others: Neisseria gonorrheae, mycoplasma, etc.

The likelihood ratios of findings for Pelvic Inflammatory Disease are listed below. See the left navigation bar to change the display.

Good Positive and Negative Likelihood Ratios

13.6

0.1

note: small series

Study: J Infect. 2000 Jan;40(1):31-41. PMID: 10762109

6.3

0.1

Study: J Infect. 2000 Jan;40(1):31-41. PMID: 10762109

Good Negative Likelihood Ratio

1.7

0.3

NOTE: very large CI for specificity (5-100%)!

Study: J Infect. 2000 Jan;40(1):31-41. PMID: 10762109

1.6

0.4

Study: J Infect. 2000 Jan;40(1):31-41. PMID: 10762109

Good Positive Likelihood Ratio

3.3

0.8

in 61 women with non-specific lower abdominal pain.

Study: Infect Dis Obstet Gynecol. 2002;10(4):171-80; PMID: 12648310

2.5

0.8

in 61 women with non-specific lower abdominal pain.

Study:

Infect Dis Obstet Gynecol. 2002;10(4):171-80; PMID: 12648310

Poorly Diagnostic Findings

Finding	+LR	-LR	Comments, Study
Proctitis Symptoms	1.3	1	Study: Sex Transm Infect. 2003 Dec;79(6):491-4. PMID: 14663128
Emesis	1.2	1	Study: Sex Transm Infect. 2003 Dec;79(6):491-4. PMID: 14663128
Vaginal Bleeding	1.1	1	Study: Sex Transm Infect. 2003 Dec;79(6):491-4. PMID: 14663128
Vaginal discharge	1.5	0.8	in 61 women with non-specific lower abdominal pain. Another meta-analysis gave 74%/24%. Study: Infect Dis Obstet Gynecol. 2002;10(4):171-80; PMID: 12648310 Sex Transm Infect. 2003 Dec;79(6):491-4. PMID: 14663128
Adnexal Mass	1.7	0.7	palpable Study: Sex Transm Infect. 2003 Dec;79(6):491-4. PMID: 14663128
hearing loss	1.3	0.8	Study: Sex Transm Infect. 2003 Dec;79(6):491-4. PMID: 14663128
Menstrual Irregularity	1	1	Study: Sex Transm Infect. 2003 Dec;79(6):491-4. PMID: 14663128
Cervical motion tenderness	1.1	0.9	in 61 women with non-specific lower abdominal pain Study: Infect Dis Obstet Gynecol. 2002;10(4):171-80; PMID: 12648310
Leukocytosis	0.8	1.3	Study: J Infect. 2000 Jan;40(1):31-41. PMID: 10762109
Adnexal tenderness	1	1.2	in 61 women with non-specific lower abdominal pain Study: Infect Dis Obstet Gynecol. 2002;10(4):171-80; PMID: 12648310
Abdominal US	Sensitivity = 78%		Study: J Infect. 2000 Jan;40(1):31-41. PMID: 10762109