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Table 2 Radiotracer activity in salivary glands of the intervention group (bilateral + unilateral icepacks-group) versus control group (no icepacks)

From: Impact of external cooling with icepacks on 68Ga-PSMA uptake in salivary glands

Radiotracer activity Intervention group (bilateral + unilateral icepack group; N = 44) Control group (no icepacks; N = 45) Absolute difference (%) p value*
Right parotid gland
 SUVmax (mean, ± SD) 12.04 (± 3.59) 13.14 (± 4.23) 1.10 (8.37) 0.19
 SUVpeak (mean, ± SD) 10.67 (± 3.20) 11.53 (± 3.67) 0.86 (7.46) 0.24
 SUVmean (mean, ± SD) 4.52 (± 1.39) 4.89 (± 1.59) 0.37 (7.57) 0.25
Left parotid gland
 SUVmax (mean, ± SD) 11.07 (± 3.53) 12.95 (± 4.16) 1.88 (14.52) 0.02
 SUVpeak (mean, ± SD) 9.91 (± 3.14) 11.45 (± 3.61) 1.54 (13.45) 0.04
 SUVmean (mean, ± SD) 4.39 (± 1.68) 4.94 (± 1.61) 0.55 (11.13) 0.12
Right submandibular gland
 SUVmax (mean, ± SD) 12.83 (± 3.41) 12.54 (± 3.36) +  0.29 (2.31) 0.69
 SUVpeak (mean, ± SD) 10.76 (± 2.76) 10.89 (± 3.11) 0.15 (1.38) 0.84
 SUVmean (mean, ± SD) 4.84 (± 1.88) 4.48 (± 1.34) +  0.36 (8.04) 0.31
Left submandibular gland
 SUVmax (mean, ± SD) 12.34 (± 3.05) 12.27 (± 3.64) +  0.07 (0.57) 0.93
 SUVpeak (mean, ± SD) 10.40 (± 2.66) 10.84 (± 2.98) 0.44 (4.06) 0.46
 SUVmean (mean, ± SD) 4.69 (± 1.74) 4.51 (± 1.32) +  0.18 (3.99) 0.59
  1. *p < 0.05 is considered significant