Table 4. Distribution of ureaplasma positive and negative samples in 55 paired urethral and cervical swabs collected from the same woman as determined by culture.

		No. of cervical swabs
		Culture positive	Culture negative	Total N
No. of urethral swabs	Culture positive	40	3	43
	Culture negative	0	12	12
Total N		40	15	55*

Five paired samples were not evaluable as they were overgrown with other bacteria.

*No difference in the distribution (p>0.99 McNemar's test).