Wu et al 1 conducted an interesting study-level meta-analysis comparing the efficacy of PD-1 antibody plus chemotherapy with chemotherapy alone in patients with PD-L1–expressing esophageal squamous ...
In a longitudinal clinical study to compare two groups, the primary end point is often the time to a specific event (eg, disease progression, death). The hazard ratio estimate is routinely used to ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results