Figure 2
Subgroup correlation analysis between ANI and NRS in individuals submitted to medical procedures under general anaesthesia (r = − 0.0984, CI = − 0.397 to 0.220, I2 = 95.82%). The random-effect model was used. MedCalc Statistical Software version 19.2.6 (MedCalc Software bv, Ostend, Belgium; https://www.medcalc.org; 2020).
