Table 7.

Mann-Whitney U-test comparing the parameters between samples processed by cedarwood oil and xylene

Processing	n	Mean rank	Sum of ranks	P
Nuclear staining
Cedarwood processing	25	31.66	791.50	158.500
Xylene processing	25	19.34	483.50	0.001*
Cytoplasmic staining
Cedarwood processing	25	29.86	746.50	203.500
Xylene processing	25	21.14	528.50	0.018*
Background staining
Cedarwood processing	23	20.54	472.50	196.500
Xylene processing	25	28.14	703.50	0.045*
Artifacts
Cedarwood processing	25	23.00	575.00	250.000
Xylene processing	25	28.00	700.00	0.068

*P value <0.05