TABLE 2.

131I Capsule Activity, Probe Net Capsule Count, and Probe Efficiency Results at Clinic for Previous Patients

Dose calibratorProbe
Patient no.Activity (MBq)TimeCount 1 (cps)Count 2 (cps)Room background counts (cps)Net capsule counts (cps)TimeRoom background timeProbe efficiency (cps/MBq)
40.3709:22474477147511:3311:161,287
50.38310:35466464146413:2611:161,217
60.31010:45294294329110:4310:16939
70.2908:4228628132818:398:06967
80.3509:20353349135015:2015:181,009
90.42013:44410408340610:5110:16962
100.3909:4038938943859:318:18987
110.4109:0036236643608:578:18878
120.30510:53265269426310:3010:24862
130.29210:10280280327710:079:56949
140.3029:1127127242689:158:50886
150.35011:30346346334310:5510:52979
160.38910:30402406340110:059:411,030
170.3609:0235534833498:598:35968
  • Time is expressed as time of day (hr:min).