Clinical Trial for Treatment of Migraine Headaches

The FREQ Procedure

Summary Statistics for Treatment by Improve
Controlling for Gender

Cochran-Mantel-Haenszel Statistics (Based on Table Scores)
Statistic Alternative Hypothesis DF Value Prob
1 Nonzero Correlation 1 8.3052 0.0040
2 Row Mean Scores Differ 1 8.3052 0.0040
3 General Association 1 8.3052 0.0040

Estimates of the Common Relative Risk (Row1/Row2)
Type of Study Method Value 95% Confidence Limits
Case-Control Mantel-Haenszel 3.3132 1.4456 7.5934
(Odds Ratio) Logit 3.2941 1.4182 7.6515
Cohort Mantel-Haenszel 2.1636 1.2336 3.7948
(Col1 Risk) Logit 2.1059 1.1951 3.7108
Cohort Mantel-Haenszel 0.6420 0.4705 0.8761
(Col2 Risk) Logit 0.6613 0.4852 0.9013

Breslow-Day Test for
Homogeneity of the Odds
Ratios
Chi-Square 1.4929
DF 1
Pr > ChiSq 0.2218

Total Sample Size = 106