Principal Procedure Code & Name Volume Percent Cumulative
36.10—AORTOCORONARY BYPASS NOT OTHERWISE SPECIFIED
13
0.07
0.07
36.11—AORTOCORONARY BYPASS OF ONE CORONARY ARTERY
3,993
22.67
22.74
36.12—AORTOCORONARY BYPASS OF TWO CORONARY ARTERIES
6,761
38.38
61.12
36.13—AORTOCORONARY BYPASS OF THREE CORONARY ARTERIES
4,930
27.99
89.11
36.14—AORTCORONARY BYPASS OF FOUR OR MORE CORONARY ARTERIES
1,919
10.89
100.00
Total
17,616
100.00


Volume of Procedures
Number of Hospitals
Percent of Hospital Total
Cumulative Percent of Hospital Total
1
2
4.88
4.88
2
1
2.44
7.32
12
1
2.44
9.76
59
1
2.44
12.20
61
1
2.44
14.63
94
1
2.44
17.07
110
1
2.44
19.51
162
1
2.44
21.95
237
2
4.88
26.83
271
1
2.44
29.27
275
1
2.44
31.71
307
1
2.44
34.15
316
1
2.44
36.59
321
1
2.44
39.02
336
1
2.44
41.46
347
1
2.44
43.90
351
1
2.44
46.34
368
2
4.88
51.22
409
1
2.44
53.66
419
1
2.44
56.10
428
1
2.44
58.54
433
1
2.44
60.98
454
1
2.44
63.41
523
1
2.44
65.85
549
1
2.44
68.29
594
1
2.44
70.73
628
1
2.44
73.17
639
1
2.44
75.61
648
1
2.44
78.05
673
1
2.44
80.49
680
1
2.44
82.93
681
1
2.44
85.37
698
1
2.44
87.80
709
1
2.44
90.24
741
1
2.44
92.68
743
1
2.44
95.12
882
1
2.44
97.56
1,849
1
2.44
100.00
Total
41
100.00
 
Volume of Procedures Number of Doctors Percent of Doctors Total Cumulative Percent of Doctors Total
1
245
45.62
45.62
2
58
10.80
56.42
3
24
4.47
60.89
4
14
2.61
63.50
5
12
2.23
65.74
6
9
1.68
67.41
7
9
1.68
69.09
8
6
1.12
70.20
9
1
0.19
70.39
10
3
0.56
70.95
11
2
0.37
71.32
12
3
0.56
71.88
13
1
0.19
72.07
14
1
0.19
72.25
15
2
0.37
72.63
17
1
0.19
72.81
18
1
0.19
73.00
19
1
0.19
73.18
20
4
0.74
73.93
22
2
0.37
74.30
24
1
0.19
74.49
25
1
0.19
74.67
26
1
0.19
74.86
27
3
0.56
75.42
28
1
0.19
75.61
29
1
0.19
75.79
30
1
0.19
75.98
31
2
0.37
76.35
32
1
0.19
76.54
33
1
0.19
76.72
34
1
0.19
76.91
35
1
0.19
77.09
36
1
0.19
77.28
38
2
0.37
77.65
40
1
0.19
77.84
42
2
0.37
78.21
43
1
0.19
78.40
45
1
0.19
78.58
46
1
0.19
78.77
53
1
0.19
78.96
54
2
0.37
79.33
56
1
0.19
79.52
57
1
0.19
79.70
59
3
0.56
80.26
60
2
0.37
80.63
61
2
0.37
81.01
62
2
0.37
81.38
63
1
0.19
81.56
64
1
0.19
81.75
65
2
0.37
82.12
68
1
0.19
82.31
69
1
0.19
82.50
71
2
0.37
82.87
72
1
0.19
83.05
73
1
0.19
83.24
74
1
0.19
83.43
77
1
0.19
83.61
78
1
0.19
83.80
79
2
0.37
84.17
80
2
0.37
84.54
83
1
0.19
84.73
85
1
0.19
84.92
86
1
0.19
85.10
87
1
0.19
85.29
89
1
0.19
85.47
93
1
0.19
85.66
95
1
0.19
85.85
97
1
0.19
86.03
98
2
0.37
86.41
99
1
0.19
86.59
100
2
0.37
86.96
104
1
0.19
87.15
109
2
0.37
87.52
110
1
0.19
87.71
111
2
0.37
88.08
112
1
0.19
88.27
116
1
0.19
88.45
117
1
0.19
88.64
119
2
0.37
89.01
120
1
0.19
89.20
123
1
0.19
89.39
124
1
0.19
89.57
125
1
0.19
89.76
126
2
0.37
90.13
127
1
0.19
90.32
128
2
0.37
90.69
129
1
0.19
90.88
130
1
0.19
91.06
132
1
0.19
91.25
135
1
0.19
91.43
136
1
0.19
91.62
137
1
0.19
91.81
138
2
0.37
92.18
140
1
0.19
92.36
142
1
0.19
92.55
144
1
0.19
92.74
146
1
0.19
92.92
147
1
0.19
93.11
149
1
0.19
93.30
155
1
0.19
93.48
158
1
0.19
93.67
159
1
0.19
93.85
160
2
0.37
94.23
162
2
0.37
94.60
168
1
0.19
94.79
175
1
0.19
94.97
179
1
0.19
95.16
186
2
0.37
95.53
193
1
0.19
95.72
195
1
0.19
95.90
196
1
0.19
96.09
200
2
0.37
96.46
204
1
0.19
96.65
207
1
0.19
96.83
211
1
0.19
97.02
219
1
0.19
97.21
220
2
0.37
97.58
221
1
0.19
97.77
226
1
0.19
97.95
254
1
0.19
98.14
263
1
0.19
98.32
277
1
0.19
98.51
281
1
0.19
98.70
290
1
0.19
98.88
296
2
0.37
99.26
298
1
0.19
99.44
310
1
0.19
99.63
349
1
0.19
99.81
368
1
0.19
100.00
Total
537
100.00

Hospitals Volume
Percentiles
Volumes
Four Smallest Volumes
1%
1
1
5%
2
1
10%
59
2
Hospitals(Obs.)
41
25%
237
12
Sum of Wgt.
41
1
50%
368
Mean
429.6585
Four Largest Volumes
Std. Dev.
331.9792
75%
639
741
90%
709
743
Variance
110,210.2
95%
743
882
Skewness
1.802801
99%
1,849
1,849
Kurtosis
9.178004
 
Doctors Volume
Percentiles
Volumes
Four Smallest Volumes
1%
1
1
5%
1
1
10%
1
1
Doctors(Obs.)
537
25%
1
1
Sum of Wgt.
537
1
50%
2
Mean
32.44134
Four Largest Volumes
Std. Dev.
63.59841
75%
27
298
90%
126
310
Variance
4,044.758
95%
179
349
Skewness
2.481138
99%
296
368
Kurtosis
9.232438




 
 

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