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Table 1 Patient demographics. Numbers (percentages) of patients with or without C. trachomatis infection; and patients infected with plasmid (−) or plasmid (+) variants. n = 180. The P values for all variables were measured with Fisher’s exact test. For age, a t-test (a) was used. n.s.: non-significant

From: Prevalence of plasmid-bearing and plasmid-free Chlamydia trachomatis infection among women who visited obstetrics and gynecology clinics in Malaysia

Parameters All patients (n = 180) No infection (n = 88) C. trachomatis infection (n = 92) P value OR (95 % CI) Plasmid (−) C. trachomatis (n = 6) Plasmid (+) C. trachomatis (n = 86) P value OR (95 % CI)
Age (years)
 Mean [IQR] 30.9 [27–35] 30.7 [27–34.25] 31.29 [27–35] 0.60 n.s. a   30.2 [26.75–32.25] 33.3 [27–35] 0.59 n.s. a  
 Maximum 45 44 45    36 45   
 Minimum 20 20 20    26 20   
Marital status
 Married 124 (68.8 %) 55 (44.4 %) 69 (55.6 %) 0.078 n.s. 1.800 (0.94–3.41) 3 (4.3 %) 66 (95.6 %) 0.16 n.s. 0.303 (0.056–1.62)
 Single 12 (6.7 %) 6 (50 %) 6 (50 %) 1.00 n.s. 0.953 (0.29–3.07) 0 (0 %) 6 (100 %) 1.00 n.s. 0.952 (0.048–18.87)
 Divorced 1 (0.5 %) 0 (0 %) 1 (100 %) 1.00 n.s. 2.902 (0.11–72.24) 0 (0 %) 1 (100 %) 1.00 n.s. 4.385 (0.16–118.8)
 unknown 43 (23.8 %) 27 (62.7 %) 16 (37.3 %) 0.053 n.s. 0.475 (0.23–0.96) 3 (18.7 %) 13 (81.2 %) 0.60 n.s. 5.615 (1.02–3.09)
Ethnicity
 Malay 123 (68.3 %) 64 (52.1 %) 59 (47.9 %) 0.26 n.s. 0.6705 (0.35–1.26) 4 (6.7 %) 55 (93.2 %) 1.00 n.s. 1.127 (0.19–6.51)
 Indian 24 (13.3 %) 11 (45.9 %) 13 (54.1 %) 0.82 n.s. 1.152 (0.48–2.72) 1 (7.6 %) 12 (92.3 %) 1.00 n.s. 1.233 (0.13–11.50)
 Chinese 23 (12.7 %) 10 (43.5 %) 13 (56.5 %) 0.65 n.s. 1.284 (0.53–3.10) 1 (7.6 %) 12 (92.3 %) 1.00 n.s. 1.233 (0.13–11.50)
 Others 10 (5.5 %) 3 (30 %) 7 (70 %) 0.33 n.s. 2.333 (0.58 to 9.32) 0 (0.0 %) 7 (100.0 %) 1.00 n.s. 0.815 (0.13–11.50)