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Table 4 Distribution of positive cases of C. trachomatis (CT), N. gonorrhoeae (NG), M. genitalium (MG), U. urealyticum/parvum (U. Urea/Parv), G. vaginalis (GV), T. vaginalis (TV) and herpes simplex virus (HSV)-1/2 in ectopic pregnancy (EP) and control (total abdominal hysterectomy and tubal ligation) groups according to single/co-infections and the city of recruitment (ND = Not detected; a = P < 0.05 compared to control from Makkah city, b = P < 0.05 compared to EP from Makkah centre, c = P < 0.05 compared with control from Jeddah city and * = P < 0.05 compared with single infection)

From: Prevalence of 7 sexually transmitted organisms by multiplex real-time PCR in Fallopian tube specimens collected from Saudi women with and without ectopic pregnancy

  Makkah centre Jeddah centres
Control (n = 23) EP (n = 30) Control (n = 28) EP (n = 54)
CT Single infection 1 (4.3 %) 2 (6.7 %) ND 4 (7.4 %)
Co-infections 1 (4.3 %) 7 (23.3 %)a,* 1 (3.6 %) 10 (18.5 %)c,*
Total 2 (8.7 %) 9 (30 %) a 1 (3.6 %) 14 (25.9 %) c
NG Single infection ND ND ND ND
Co-infections ND 1 (4.3 %) 1 (3.6 %) 4 (7.4 %)
Total ND 1 (4.3 %) 1 (3.6 %) 4 (7.4 %)
MG Single infection ND 1 (4.3 %) ND 2 (3.7 %)
Co-infections 1 (4.3 %) 5 (16.7 %)a,* 1 (3.6 %) 9 (16.7 %)c,*
Total 1 (4.3 %) 6 (20 %) a 1 (3.6 %) 11 (20.4 %) c
U. Urea/Parv Single infection ND 1 (3.3 %) 1 (3.6 %) 1 (1.9 %)
Co-infections 1 (4.3 %) 2 (6.6 %) 2 (7.2 %) 5 (9.2 %)*
Total 1 (4.3 %) 3 (10 %) 3 (10.7 %) 6 (11.1 %)
GV Single infection ND ND ND ND
Co-infections ND 3 (10 %) 1 (3.6 %) 3 (5.6 %)
Total ND 3 (10 %) a,* 1 (3.6 %) 3 (5.6 %) b
TV Single infection ND ND ND ND
Co-infections ND 1 (3.3 %) ND 3 (5.6 %)
Total ND 1 (3.3 %) ND 3 (5.6 %)
HSV-1/2 Single infection ND ND ND 1 (1.9 %)
Co-infections 1 (4.3 %) 6 (20 %)a,* 2 (7.1 %) 11 (20.4 %)
Total 1 (4.3 %) 6 (20 %) a 2 (7.1 %) 12 (22.2 %) c