TOPIC 41
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[Occurrence probability] [Topic drift]

Scale = 0 epochs = 1
1974-2005
TERM SCORE
biopsy 939.49
positive 573.99
negate 490.70
cytology 459.49
perform 413.05
examination 368.12
confirm 356.49
obstruct 297.98
diagnosis 274.50
diagnose 239.92
material 226.62
suspect 226.49
specimen 225.43
aspirate 208.99
needle 208.49


Scale = 1 epochs = 2
1974-1989
TERM SCORE
biopsy 615.76
positive 511.60
cytology 343.55
negate 338.34
perform 293.47
examination 260.05
confirm 243.88
diagnosis 241.14
specimen 180.13
diagnose 175.86
obstruct 168.89
material 154.48
lesion 149.63
procedure 139.94
aspirate 139.93
1990-2005
TERM SCORE
biopsy 323.72
negate 152.36
obstruct 129.09
perform 119.58
cytology 115.94
confirm 112.60
examination 108.07
open 91.69
suspect 87.09
needle 86.09
guide 85.59
correct 78.25
easy 77.44
material 72.14
aspirate 69.06


Scale = 2 epochs = 4
1974-1981
TERM SCORE
biopsy 376.54
positive 368.24
negate 213.69
cytology 208.80
diagnosis 190.30
examination 178.99
perform 159.52
confirm 138.64
lesion 120.20
specimen 111.99
material 102.97
obstruct 94.21
diagnose 90.46
procedure 84.77
false 81.69
1982-1989
TERM SCORE
biopsy 239.22
positive 143.36
cytology 134.75
perform 133.94
negate 124.64
confirm 105.24
diagnose 85.39
examination 81.05
aspirate 75.79
obstruct 74.67
needle 71.71
specimen 68.14
suspect 59.08
procedure 55.16
material 51.50
1990-1997
TERM SCORE
biopsy 180.21
negate 87.88
obstruct 81.80
cytology 70.51
examination 70.44
confirm 63.74
perform 62.20
suspect 52.12
needle 47.03
material 45.46
correct 44.77
easy 44.72
aspirate 43.45
open 42.10
guide 40.90
1998-2005
TERM SCORE
biopsy 143.51
negate 64.47
perform 57.37
open 49.59
confirm 48.86
obstruct 47.29
cytology 45.42
guide 44.69
needle 39.05
examination 37.63
suspect 34.97
positive 34.03
correct 33.48
easy 32.72
diagnose 28.00


Scale = 3 epochs = 8
1974-1977
TERM SCORE
biopsy 217.28
positive 207.36
cytology 117.06
negate 110.36
diagnosis 110.25
examination 92.07
lesion 85.85
confirm 74.14
perform 73.04
specimen 61.43
material 59.30
procedure 50.19
diagnose 48.01
suspect 43.17
false 40.48
1978-1981
TERM SCORE
positive 160.87
biopsy 159.25
negate 103.33
cytology 91.73
examination 86.91
perform 86.47
diagnosis 80.04
confirm 64.50
obstruct 55.12
specimen 50.56
material 43.67
diagnose 42.45
false 41.20
correct 38.01
suspect 37.13
1982-1985
TERM SCORE
biopsy 127.37
positive 93.58
cytology 82.89
perform 73.97
negate 62.54
confirm 54.99
aspirate 41.20
obstruct 37.71
examination 37.55
specimen 37.25
needle 34.04
diagnose 31.51
procedure 29.91
diagnosis 28.45
material 27.84
1986-1989
TERM SCORE
biopsy 111.85
negate 62.09
perform 59.96
diagnose 53.88
cytology 51.86
confirm 50.24
positive 49.77
examination 43.50
needle 37.66
obstruct 36.95
aspirate 34.58
suspect 31.58
specimen 30.89
correct 27.88
procedure 25.24
1990-1993
TERM SCORE
biopsy 97.41
negate 50.05
examination 44.99
obstruct 39.76
cytology 38.46
confirm 36.36
perform 34.18
suspect 28.38
needle 26.49
easy 25.24
correct 23.47
aspirate 22.04
material 21.15
guide 20.14
diagnose 19.83
1994-1997
TERM SCORE
biopsy 82.80
obstruct 42.03
negate 37.83
cytology 32.05
perform 28.02
confirm 27.37
examination 25.44
material 24.30
open 24.27
suspect 23.73
aspirate 21.40
correct 21.29
guide 20.76
needle 20.53
easy 19.47
1998-2001
TERM SCORE
biopsy 81.57
perform 38.04
negate 37.17
obstruct 26.62
open 25.90
confirm 24.74
examination 24.31
guide 24.23
needle 21.77
cytology 21.12
suspect 19.02
correct 18.34
easy 16.50
diagnose 15.18
specimen 15.02
2002-2005
TERM SCORE
biopsy 61.94
negate 27.30
cytology 24.29
confirm 24.11
open 23.68
obstruct 20.66
guide 20.45
perform 19.33
positive 19.27
needle 17.28
easy 16.21
suspect 15.94
correct 15.14
percutaneous 14.08
examination 13.31


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