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)

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