. 2019 Aug 16;19:727. doi: 10.1186/s12879-019-4269-8

Table 3.

Microbiological results (RPR and coinfection) of early syphilis. Barcelona 2015

	HIV negative	HIV positive^a	All	P Value
	N = 168 61.3%	N = 106 38.3%	N = 274 100%	P Value
RPR	1/16	1/64	1/32	< 0.001
RPR	[1/4–1/64]	[1/32–1/64]	[1/8;1/64]	< 0.001
STI coinfection^b
Neisseria gonorrhoeae	12	12	24	0.378
Neisseria gonorrhoeae	7.69	11.9	9.3	0.378
Chlamydia trachomatis	24	17	41	0.949
Chlamydia trachomatis	15.4	16.8	15.9	0.949
Lymphogranuloma venereum	4	6	10	0.267
Lymphogranuloma venereum	18.2	37.5	26.3	0.267
Hepatitis C virus	3	2	5	0.637
Hepatitis C virus	2.29	3.64	2.67	0.637

⁺in italics: median with interquartile range in brackets

^aincluding patients diagnosed coinciding with syphilis infection

^bSTI screening done in 257 patients for N. gonorrhoeae and C. trachomatis/L. venerum and 189 patients for hepatitis C