Comparison of the outflow mass and mass outflow rate as a function of IR luminosity for our sample and the sample from Fluetsch et al. (2019, purple triangles). The red symbols show the average values (considering only the detections) in bins of log L_IR for the Fluetsch et al. (2019) sample (triangles) and the PUMA sample (circles). The sources in common between the two samples are highlighted with black contours. Due to the different methods, the M_out and Ṁ_out values estimated by Fluetsch et al. (2019) are higher by a factor of ×5 − 8 compared with our measurements at the same infrared luminosity.