Effect of Treatment Delay, Stroke Type, and Thrombolysis on the Effect of Glyceryl Trinitrate, a Nitric Oxide Donor, on Outcome after Acute Stroke: A Systematic Review and Meta-Analysis of Individual Patient from Randomised Trials

Figure 4

Effect of GTN on outcome by time to enrolment within 8 hours for (a) modified Rankin scale; (b) death; (c) Barthel index; (d) Euro-Qol 5D (EQ-5D) health utility status; (e) Euro-QoL Visual Analogue Scale (EQ-VAS); (f) Zung depression scale; (g) telephone mini-mental state examination; (h) telephone interview of cognition scale, modified (TICS-M); and (i) animal naming.

(a) Modified Rankin scale (odds ratio for 7-level scale)

(b) Death (odds ratio)

(c) Barthel index (mean difference)

(d) EQ-5D health utility status (mean difference)

(e) EQ-VAS (mean difference)

(f) Zung depression scale (mean difference)

(g) MMSE (mean difference)

(h) TICS-M (mean difference)

(i) Animal naming (mean difference)