Table 2.

Cross-tabulation of the menstrual cycle phases and the accumulation of exfoliated cells.

		Accumulation of Exfoliated Cells
		Sufficient	Insufficient
Menstrual phases	Frequencies	9	2
	Total percentage	82%	18%
	Expected frequencies	8.1	2.9
	Adjusted residual	0.7	−0.7
Early proliferative phase	Frequencies	16	15
	Total percentage	52%	48%
	Expected frequencies	22.7	8.3
	Adjusted residual	−3.0 *	3.0 *
Late proliferative phase	Frequencies	27	7
	Total percentage	79%	21%
	Expected frequencies	24.9	9.1
	Adjusted residual	0.9	−0.9
Early secretory phases	Frequencies	45	10
	Total percentage	82%	18%
	Expected frequencies	40.3	14.7
	Adjusted residual	1.7	−1.7
Late secretory phases	Frequencies	35	14
	Total percentage	71%	29%
	Expected frequencies	35.9	13.1
	Adjusted residual	−0.4	0.4

Absolute adjusted residuals of > 2.576 are highlighted in bold. * p < 0.01.