Comparison 3. Secondary ischaemia.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Clinical signs of secondary ischaemia	4	368	Risk Ratio (M‐H, Fixed, 95% CI)	0.79 [0.53, 1.16]
1.1 Acetylsalicylic acid	2	211	Risk Ratio (M‐H, Fixed, 95% CI)	1.34 [0.76, 2.34]
1.2 Cataclot/OKY‐046	1	24	Risk Ratio (M‐H, Fixed, 95% CI)	0.53 [0.24, 1.15]
1.3 Dipyridamole	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
1.4 Ticlopidine	1	133	Risk Ratio (M‐H, Fixed, 95% CI)	0.39 [0.17, 0.86]
2 Infarction on CT	3	395	Risk Ratio (M‐H, Fixed, 95% CI)	0.85 [0.66, 1.08]
2.1 Acetylsalicylic acid	2	211	Risk Ratio (M‐H, Fixed, 95% CI)	1.06 [0.76, 1.48]
2.2 Cataclot/OKY‐046	1	184	Risk Ratio (M‐H, Fixed, 95% CI)	0.64 [0.44, 0.92]
2.3 Dipyridamole	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
2.4 Ticlopidine	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]