TABLE 7.

Days difference between TOS and SWS confirmed day of ovulation for ovulatory cycles compared with VS positive cycles for skin site.

	Arm		Wrist
+ve VS cycles in each group	118		40
Participants with +ve VS cycles in each group	51		20
Method	TOS	SWS	TOS	SWS
Mean days difference compared with VS	−3.78	−1.65	−1.69	−1.10
Standard deviation days compared with VS	1.70	1.66	0.94	0.79
Upper CI 95%	−3.47	−1.35	−1.40	−0.85
Lower CI 95%	−4.09	−1.95	−1.98	−1.35