Fig. 6.

HRMAS NMR spectra of long-term and short-term survivors. a PA with long-term survival (n = 8), b PA with short-term survival (n = 9). The spectra metabolic contents are directly comparable because the intensity of each spectrum was normalized with respect to the weight of the analyzed sample. For display purposes, the amplitudes of the choline peak at 3.23 ppm, the fatty acids peak at 1.30 ppm, and the lactate peak at 1.33 ppm were graphically shortened. Metabolite assignments are given in Table 1