Data for Example 1

				Winnipeg patients   New Orleans Patients  

certain' MS by 2 neurologists            119             44
'certain' MS by 1 neurologist only        20             11
'uncertain' MS by 2 neurologists          10             14
Total                                    149             69

MS, multiple sclerosis




Data for Example 2
					Male             Female

Hypertensive at 2 applications         	10               13     
Hypertensive at 1 application          	 9                3
Nonhypertensive at 2 applications      	63               71
Total					82               87