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. 2022 Aug 29;12:974728. doi: 10.3389/fonc.2022.974728

Table 2.

Replacement values in the initial planning.

Patient Patient positioning Replacement value of rSPR in pCT50% images, Pattern 1/Pattern 2
Small intestineAll/All StomachAll/[U-M, L] DuodenumAll/[1st–2nd, 3rd, 4th] ColonAll/[Rt, Lt]
1 SP 1.03/1.03 1.04/[0.86, 0.84] 1.04/[1.02, 1.03, 1.03] 1.03/[0.86, 0.90]
PR 1.03/1.03 1.03/[0.91, 1.03] 1.05/[1.02, 1.03, 1.03] 1.03/[0.89, 0.66]
2 SP 1.02/0.95 1.04/[1.04, 1.03] 1.05/[1.01, 1.02, 0.89] 1.03/[0.80, 0.74]
PR 1.03/1.03 1.04/[0.99, 1.03] 1.04/[1.04, 1.03, 1.03] 1.03/[0.65, 0.98]
3 SP 1.04/1.04 1.05/[0.94, 0.94] 1.03/[1.02, 1.03, 1.02] 1.03/[0.95, 0.85]
PR 1.04/1.03 1.03/[1.03, 1.03] 1.05/[1.02, 1.02, 1.02] 1.04/[0.98, 1.00]
4 SP 1.04/0.97 1.04/[1.03, 1.03] 1.03/[1.02, 1.02, 1.02] 1.03/[0.98, 0.89]
PR 1.04/1.04 1.03/[1.02, 1.03] 1.04/[1.02, 1.02, 1.02] 1.03/[0.80, 0.90]
5 SP 1.04/1.03 1.04/[1.03, 0.90] 1.03/[0.97, 0.81, 1.01] 1.03/[0.76, 0.85]
PR 1.04/1.04 1.03/[0.97, 0.97] 1.04/[1.04, 1.04, 1.04] 1.03/[0.90, 0.86]
6 SP 1.03/1.01 1.02/[1.01, 0.83] 1.03/[1.03, 1.00, 0.75] 1.02/[0.94, 1.01]
PR 1.03/1.01 1.03/[0.99, 1.02] 1.04/[0.97, 0.97, 0.75] 1.02/[0.89, 0.73]
7 SP 1.05/1.04 1.04/[0.95, 0.97] 1.04/[1.03, 1.04, 1.04] 1.03/[0.65, 0.45]
PR 1.03/1.03 1.04/[0.97, 1.03] 1.04/[0.97, 1.04, 1.04] 1.04/[0.49, 0.47]
8 SP 1.03/0.93 1.04/[0.71, 0.80] 1.03/[1.01, 1.03, 1.03] 1.02/[0.85, 0.96]
PR 1.04/1.04 1.04/[0.73, 1.02] 1.03/[1.02, 1.02, 1.02] 1.03/[0.95, 0.78]
9 SP 1.04/1.03 1.04/[0.97, 0.99] 1.04/[1.03, 1.03, 1.04] 1.04/[0.94, 1.00]
PR 1.03/1.03 1.03/[1.00, 1.01] 1.03/[1.00, 1.02, 1.02] 1.04/[0.93, 0.99]
10 SP 1.04/1.02 1.02/[1.02, 0.82] 1.05/[1.05, 1.05, 1.03] 1.02/[0.93, 0.91]
PR 1.04/0.99 1.03/[1.00/1.00] 1.04/[0.96, 1.04, 1.03] 1.04/[0.92, 0.94]

rSPR, relative stopping power ratio; pCT50% images, treatment planning CT images of the maximum exhalation phase; All, all regions of contour; U, gastric fundus; M, gastric body; L, pyloric zone; 1st–2nd, between the first and second (descending portion) portions of duodenum; 3rd, third portion (horizontal portion) of duodenum; 4th, fourth portion (ascending portion) of duodenum; Rt, right part; Lt, left part; SP, supine position; PR, prone position.