Table 2. Wilcoxon signed rank test statistics novel endometrial-cells preservation solution vs. patented liquid-based cell preservation solution.

Statistics(n = 10)	Cellularity	Blood	Background	Monolayers	Architecture	Cytoplasm	Nucleus
Z	-1.857b	-1.633a	0	0	0	0	0
Asymptotic, signed test (2 tailed)	0.063	0.102	1	1	1	1	1

(a) Based on negative ranks;

(b) Based on positive ranks; p<0.05 is statistically significant.