Cramér's V may be used with variables that have more than two levels.
For decades, Kirschner wires and Judet plates were used with variable success.
Variceal ligation with bands and detachable snares, sclerosants, cyanoacrylate glue, and thrombin injections have been used with variable success.
There are no uniform recommendations regarding treatment, although drugs such as propranolol, verapamil, flunarizine and naloxone have been used with variable degrees of response [2, 4].
Furthermore, a pulsed power supply is used with variable voltages between 1 and 5 kV and frequencies from 3 to 50 kHz, respectively.
Sarcoidosis therapies with activity against tumor necrosis factor and specific anti tumor necrosis factor therapies have been used with variable success.
Various treatments including medications to alter gastric pH, prokinetic agents, endoscopic clipping/suturing, electric and chemical cauterization, argon plasma coagulation, and fibrin sealant, have been used with variable success.
Other diagnostic tests have been used with variable rates of accuracy, such as chest radiographs, laboratory tests (white blood cell count [WBC]) with differential, C-reactive protein (CRP), erythrocyte sedimentation rate (ESR) [8], [9], blood cultures and serology [8], and lung puncture [8], [9].
