Fig. 1From: Work environment, volume of activity and staffing in neonatal intensive care units in Italy: results of the SONAR-nurse studyScatterplot of mean daily nurses per shift against adjusted mean daily number of patients, with regression line (regression equation: mean daily nurses per shift = 1.6621 + 0.1756 x adjusted mean daily number of patients; P = 0.0000; R 2 = 0.70)Back to article page