Research Article

Quantitative Scintigraphy Evaluated the Relationship between 131I Therapy and Salivary Glands Function in DTC Patients: A Retrospective Analysis

Table 3

Comparison of salivary gland function in patients before third treatment.

Scintigraphic parametersMale group before third treatmentFemale group before third treatment
Damage before treatmentAfter first treatmentAfter second treatmentNo damage before treatmentAfter first treatmentAfter second treatmentDamage before treatmentAfter first treatmentAfter second treatmentNo damage before treatmentAfter first treatmentAfter second treatment

RPNumber: 2Number: 29Number: 2Number: 86
UF0.034 (0.018–0.033)0.057 (0.019–0.067)0.044 (0.012–0.055)0.2230.050 (0.031–0.068)0.049 (0.032–0.060)0.043 (0.026–0.061)0.4850.037 (0.010–0.045)0.033 (0.010–0.039)0.028 (0.008–0.034)0.1350.042 (0.031–0.055)0.037 (0.028–0.048)0.032 (0.021–0.041)0.000
III-II 0.005 III-I 0.000 ⋯ II-I 0.081
UI1.844 (1.054–1.712)2.967 (0.865–3.586)2.387 (0.864–2.717)0.6071.867 (1.527–2.391)1.898 (1.440–2.819)2.016 (1.277–3.038)0.4851.356 (0.673–1.360)1.247 (0.533–1.336)1.464 (0.588–1.607)0.2231.952 (1.549–2.479)1.789 (1.460–2.188)1.581 (1.137–2.102)0.000
III-II 0.014 III-I 0.000 II-I 0.098
EF0.254 (0.064–0.317)0.506 (0.304–0.455)0.299 (0.148–0.300)0.6070.486 (0.433–0.544)0.478 (0.352–0.581)0.493 (0.340–0.579)0.4220.194 (0.055–0.237)0.418 (0.221–0.406)0.412 (0.222–0.395)1.0000.485 (0.415–0.552)0.4715 (0.419–0.539)0.420 (0.246–0.521)0.002
III-II0.036 III-I 0.002 II-I 1.000
LPNo caseNumber: 31Number: 5Number: 83
UF0.041 (0.035–0.065)0.045 (0.033–0.056)0.036 (0.027–0.053)0.2060.019 (0.009–0.025)0.025 (0.021–0.039)0.021 (0.013–0.040)0.1650.040 (0.029–0.051)0.034 (0.027–0.045)0.032 (0.021–0.042)0.000
III-II 0.309 III-I 0.000 II-I 0.016
UI1.971 (1.523–2.460)1.897 (1.348–2.457)1.615 (1.359–2.576)0.5970.861 (0.687–1.776)1.164 (1.010–1.879)1.332 (.916–2.084)0.2472.006 (1.393–2.281)1.717 (1.319–2.143)1.686 (1.231–2.194)0.008
III-II 1.000 III-I 0.020 II-I 0.025
EF0.510 (0.442–0.558)0.464 (0.402–0.550)0.455 (0.347–0.545)0.0860.166 (0.102–0.382)0.368 (0.292–0.439)0.328 (0.173–0.458)0.2470.479 (0.420–0.544)0.472 (0.394–0.523)0.423 (0.326–0.514)0.010
III-II 0.392 III-I 0.008 II-I 0.392
RSNumber: 2Number: 29Number: 6Number: 82
UF0.034 (0.017–0.033)0.033 (0.016–0.034)0.032 (0.021–0.027)1.0000.058 (0.046–0.080)0.054 (0.042–0.066)0.051 (0.038–0.065)0.0180.050 (0.033–0.064)0.044 (0.032–0.068)0.044 (0.018–0.074)0.6070.052 (0.039–0.068)0.048 (0.035–0.057)0.043 (0.034–0.054)0.000
III-II 1.000 III-I 0.017 II-I 0.147III-II 0.823 III-I 0.000 II-I 0.004
UI1.553 (0.664–1.665)1.821 (0.961–1.770)1.636 (1.189–1.265)0.6073.171 (2.438–3.936)3.105 (2.284–3.663)3.052 (2.415–3.624)0.6391.650 (1.266–2.771)2.251 (2.099–3.090)2.024 (1.318–3.273)0.1152.685 (2.161–3.528)2.715 (2.021–3.318)2.395 (2.010–3.092)0.011
III-II 0.930 III-I 0.009 II-I 0.153
EF0.096 (0.029–0.115)0.122 (0.038–0.146)0.073 (0.032–0.078)0.2230.381 (0.335–0.467)0.375 (0.271–0.416)0.396 (0.318–0.468)0.3430.159 (0.122–0.169)0.339 (0.248–0.382)0.343 (0.191–0.439)0.0420.404 (0.308–0.498)0.367 (0.291–0.435)0.332 (0.242–0.430)0.000
III-II 0.773 III-I 0.021 II-I 0.043 bIII-II 0.414 III-I0 .000 II-I0 .024
LSNumber: 2Number: 29Number: 9Number: 79
UF0.031 (0.011–0.036)0.033 (0.009–0.040)0.023 (0.009–0.025)0.6070.056 (0.044–0.079)0.048 (0.040–0.065)0.050 (0.040–0.059)0.0240.033 (0.023–0.051)0.034 (0.020–0.040)0.030 (0.021–0.043)0.8950.050 (0.039–0.068)0.045 (0.034–0.055)0.041 (0.033–0.054)0.000
III-II 1.000 III-I 0.018 II-I 0.018III-II0.529 III-I 0.000 II-I 0.016
UI1.482 (0.656–1.568)1.570 (0.645–1.711)1.030 (0.421–1.125)0.2233.584 (2.667–4.089)3.236 (2.655–3.797)3.053 (2.546–3.685)0.1661.891 (1.437–2.864)2.019 (1.591–2.928)1.932 (1.408–2.687)0.6412.979 (2.219–3.580)2.687 (2.140–3.362)2.542 (1.977–3.191)0.003
III-II 1.000 III-I 0.003 II-I .051
EF0.169 (0.123–0.131)0.072 (0.000–0.108)0.034 (0.016–0.034)0.2230.418 (0.316–0.492)0.372 (0.295–0.436)0.404 (0.321–0.528)0.1660.169 (0.119–0.199)0.336 (0.229–0.386)0.235 (0.165–0.386)0.0500.395 (0.300–0.499)0.365 (0.273–0.444)0.323 (0.233–0.435)0.000

UF, UI, EF stated as median (upper quartile, lower quartiles). Examination before first, second and third treatments expressed as I, II, and III. The values were p values after pairwise comparison of I, II, III. RP: Right parotid; LP: Left parotid; RS: Right submandibular; LS: Left submandibular; UF: Uptake fraction; UI: Uptake index; EF: Excretion fraction.