Principal Procedure Code & Name Volume Percent Cumulative
35.20—REPLACEMENT HEART VALVE NOS
2
0.03
0.03
35.21—REPLACEMENT OF AORTIC VALVE WITH TISSUE GRAFT
2,327
39.12
39.16
35.22—OTHER REPLACEMENT OF AORTIC VALVE
1,862
31.30
70.46
35.23—REPLACEMENT OF MITRAL VALVE WITH TISSUE GRAFT
564
9.48
79.94
35.24—OTHER REPLACEMENT OF MITRAL VALVE
1,131
19.01
98.96
35.25—REPLACEMENT OF PULMONARY VALVE WITH TISSUE GRAFT
35
0.59
99.55
35.26—OTHER REPLACEMENT OF PULMONARY VALVE
14
0.24
99.78
35.27—REPLACEMENT OF TRICUSPID VALVE WITH TISSUE GRAFT
13
0.22
100.00
Total
5,948
100.00


Volume of Procedures
Number of Hospitals
Percent of Hospital Total
Cumulative Percent of Hospital Total
1
1
2.50
2.50
2
1
2.50
5.00
3
1
2.50
7.50
10
1
2.50
10.00
15
2
5.00
15.00
24
1
2.50
17.50
29
1
2.50
20.00
47
1
2.50
22.50
57
1
2.50
25.00
63
1
2.50
27.50
72
1
2.50
30.00
79
1
2.50
32.50
83
1
2.50
35.00
88
1
2.50
37.50
90
1
2.50
40.00
97
1
2.50
42.50
101
1
2.50
45.00
110
1
2.50
47.50
112
1
2.50
50.00
121
1
2.50
52.50
124
1
2.50
55.00
127
1
2.50
57.50
129
1
2.50
60.00
142
1
2.50
62.50
156
1
2.50
65.00
159
1
2.50
67.50
176
1
2.50
70.00
189
1
2.50
72.50
190
1
2.50
75.00
209
1
2.50
77.50
220
1
2.50
80.00
229
1
2.50
82.50
244
1
2.50
85.00
260
1
2.50
87.50
324
1
2.50
90.00
395
1
2.50
92.50
402
1
2.50
95.00
432
1
2.50
97.50
622
1
2.50
100.00
Total
40
100.00
 
Volume of Procedures Number of Doctors Percent of Doctors Total Cumulative Percent of Doctors Total
1
116
37.54
37.54
2
24
7.77
45.31
3
12
3.88
49.19
4
11
3.56
52.75
5
7
2.27
55.02
6
8
2.59
57.61
7
3
0.97
58.58
8
2
0.65
59.22
9
5
1.62
60.84
11
4
1.29
62.14
12
6
1.94
64.08
13
2
0.65
64.72
14
3
0.97
65.70
15
2
0.65
66.34
16
5
1.62
67.96
17
2
0.65
68.61
18
3
0.97
69.58
19
2
0.65
70.23
20
2
0.65
70.87
21
3
0.97
71.84
22
1
0.32
72.17
23
3
0.97
73.14
24
5
1.62
74.76
25
2
0.65
75.40
27
2
0.65
76.05
28
3
0.97
77.02
29
2
0.65
77.67
30
4
1.29
78.96
31
2
0.65
79.61
32
2
0.65
80.26
33
1
0.32
80.58
34
1
0.32
80.91
35
2
0.65
81.55
36
1
0.32
81.88
37
1
0.32
82.20
38
1
0.32
82.52
39
4
1.29
83.82
40
2
0.65
84.47
41
2
0.65
85.11
42
3
0.97
86.08
43
1
0.32
86.41
44
1
0.32
86.73
45
2
0.65
87.38
46
2
0.65
88.03
47
1
0.32
88.35
51
1
0.32
88.67
53
2
0.65
89.32
54
1
0.32
89.64
56
1
0.32
89.97
57
1
0.32
90.29
59
3
0.97
91.26
63
1
0.32
91.59
65
2
0.65
92.23
66
1
0.32
92.56
67
1
0.32
92.88
69
1
0.32
93.20
72
1
0.32
93.53
74
2
0.65
94.17
78
1
0.32
94.50
84
1
0.32
94.82
86
1
0.32
95.15
88
1
0.32
95.47
100
1
0.32
95.79
108
2
0.65
96.44
112
1
0.32
96.76
113
1
0.32
97.09
117
1
0.32
97.41
122
1
0.32
97.73
123
1
0.32
98.06
124
1
0.32
98.38
126
1
0.32
98.71
130
1
0.32
99.03
144
1
0.32
99.35
161
1
0.32
99.68
171
1
0.32
100.00
Total
309
100.00
 

Hospitals Volume
Percentiles
Volumes
Four Smallest Volumes
1%
1
1
5%
2.5
2
10%
12.5
3
Hospitals(Obs.)
40
25%
60
10
Sum of Wgt.
40
1
50%
116.5
Mean
148.7
Four Largest Volumes
Std. Dev.
134.7827
75%
199.5
395
90%
359.5
402
Variance
18,166.37
95%
417
432
Skewness
1.526232
99%
622
622
Kurtosis
5.489297
 
Doctors Volume
Percentiles
Volumes
Four Smallest Volumes
1%
1
1
5%
1
1
10%
1
1
Doctors(Obs.)
309
25%
1
1
Sum of Wgt.
309
1
50%
4
Mean
18.94498
Four Largest Volumes
Std. Dev.
30.37707
75%
25
130
90%
57
144
Variance
922.7664
95%
86
161
Skewness
2.421565
99%
130
171
Kurtosis
9.197393




 
 

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