Table 3.

Cycle Characteristics by Women Who Experienced Spotting, BioCycle Study, Buffalo, New York, 2005–2007^a

	Cycles		Women		Median Bleeding Length, days (IQR)	Median Cycle Length, days (IQR)
	No.	%	No.	%
Total cohort	470	100	250	100	5 (2)	28 (5)
Spotters	13	2.8	12	4.8	6 (2)b	27 (7)c
Nonspotters	457	97.2	238	95.2	5 (1)	28 (4)

Abbreviation: IQR, interquartile range.

^aWomen with a midcycle bleeding episode were defined as “spotters.”

^bSpotting cycles versus nonspotting cycles: P = 0.6.

^cSpotting cycles vs. nonspotting cycles: P = 0.9.