Principal Procedure Code & Name Volume Percent Cumulative

36.01--SINGLE VESSEL PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY [PTCA] WITHOUT MENTION OF THROMBOLYTIC AGENT
34,742
82.94
82.94
36.02--SINGLE VESSEL PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY [PTCA] WITH THROMBOLYTIC AGENT
1,038
2.48
85.42
36.05--MULTIPLE VESSEL PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY [PTCA] OR CORONARY ATHERECTOMY PERFORMED DURING THE SAME OPERATION, WITH OR WITHOUT MENTION OF THROMBOLYTIC AGENT
6,107
14.58
100.00
Total
41,887
100.00


Volume of Procedures Number of Hospitals Percent of Hospital Total Cumulative Percent of Hospital Total
1
10
17.54
17.54
2
1
1.75
19.30
3
1
1.75
21.05
6
1
1.75
22.81
7
1
1.75
24.56
9
1
1.75
26.32
26
1
1.75
28.07
55
1
1.75
29.82
60
1
1.75
31.58
85
1
1.75
33.33
147
1
1.75
35.09
152
2
3.51
38.60
163
1
1.75
40.35
194
1
1.75
42.11
206
1
1.75
43.86
263
1
1.75
45.61
432
1
1.75
47.37
605
1
1.75
49.12
608
1
1.75
50.88
623
1
1.75
52.63
664
1
1.75
54.39
686
1
1.75
56.14
721
1
1.75
57.89
724
1
1.75
59.65
807
1
1.75
61.40
821
1
1.75
63.16
831
1
1.75
64.91
954
1
1.75
66.67
968
1
1.75
68.42
1,009
1
1.75
70.18
1,044
1
1.75
71.93
1,057
1
1.75
73.68
1,136
1
1.75
75.44
1,153
1
1.75
77.19
1,234
1
1.75
78.95
1,255
1
1.75
80.70
1,399
2
3.51
84.21
1,469
1
1.75
85.96
1,505
1
1.75
87.72
1,571
1
1.75
89.47
1,601
1
1.75
91.23
1,715
1
1.75
92.98
2,307
1
1.75
94.74
3,158
1
1.75
96.49
3,253
1
1.75
98.25
3,638
1
1.75
100.00
Total
57
100.00
 
 
Volume of Procedures Number of Doctors Percent of Doctors Total Cumulative Percent of Doctors Total
1
559
43.67
43.67
2
148
11.56
55.23
3
94
7.34
62.58
4
47
3.67
66.25
5
35
2.73
68.98
6
29
2.27
71.25
7
20
1.56
72.81
8
10
0.78
73.59
9
7
0.55
74.14
10
10
0.78
74.92
11
5
0.39
75.31
12
12
0.94
76.25
13
2
0.16
76.41
14
7
0.55
76.95
15
3
0.23
77.19
16
10
0.78
77.97
17
3
0.23
78.20
18
2
0.16
78.36
19
4
0.31
78.67
21
4
0.31
78.98
22
4
0.31
79.30
23
2
0.16
79.45
24
3
0.23
79.69
25
3
0.23
79.92
26
1
0.08
80.00
27
1
0.08
80.08
28
5
0.39
80.47
29
3
0.23
80.70
30
1
0.08
80.78
31
4
0.31
81.09
32
4
0.31
81.41
34
1
0.08
81.48
35
3
0.23
81.72
37
1
0.08
81.80
38
4
0.31
82.11
39
2
0.16
82.27
40
2
0.16
82.42
42
4
0.31
82.73
43
1
0.08
82.81
44
2
0.16
82.97
45
1
0.08
83.05
46
1
0.08
83.13
47
6
0.47
83.59
49
2
0.16
83.75
50
1
0.08
83.83
51
1
0.08
83.91
52
3
0.23
84.14
55
5
0.39
84.53
56
2
0.16
84.69
60
1
0.08
84.77
61
2
0.16
84.92
63
1
0.08
85.00
64
1
0.08
85.08
66
1
0.08
85.16
67
1
0.08
85.23
68
1
0.08
85.31
69
1
0.08
85.39
71
3
0.23
85.63
73
3
0.23
85.86
74
1
0.08
85.94
75
2
0.16
86.09
76
1
0.08
86.17
77
3
0.23
86.41
79
4
0.31
86.72
80
1
0.08
86.80
81
1
0.08
86.88
83
1
0.08
86.95
84
1
0.08
87.03
85
2
0.16
87.19
86
1
0.08
87.27
87
1
0.08
87.34
88
1
0.08
87.42
89
2
0.16
87.58
91
1
0.08
87.66
92
1
0.08
87.73
94
1
0.08
87.81
95
2
0.16
87.97
98
1
0.08
88.05
99
2
0.16
88.20
101
2
0.16
88.36
102
1
0.08
88.44
104
1
0.08
88.52
106
2
0.16
88.67
107
1
0.08
88.75
108
1
0.08
88.83
109
2
0.16
88.98
110
3
0.23
89.22
111
1
0.08
89.30
112
1
0.08
89.38
113
2
0.16
89.53
114
1
0.08
89.61
116
1
0.08
89.69
117
1
0.08
89.77
119
3
0.23
90.00
122
2
0.16
90.16
123
1
0.08
90.23
125
2
0.16
90.39
126
1
0.08
90.47
127
2
0.16
90.63
128
2
0.16
90.78
130
2
0.16
90.94
134
1
0.08
91.02
135
2
0.16
91.17
136
1
0.08
91.25
138
1
0.08
91.33
139
2
0.16
91.48
140
2
0.16
91.64
142
1
0.08
91.72
144
1
0.08
91.80
146
1
0.08
91.88
147
2
0.16
92.03
149
1
0.08
92.11
151
1
0.08
92.19
152
1
0.08
92.27
153
1
0.08
92.34
154
1
0.08
92.42
156
2
0.16
92.58
157
3
0.23
92.81
158
1
0.08
92.89
159
2
0.16
93.05
162
1
0.08
93.13
163
1
0.08
93.20
164
1
0.08
93.28
165
1
0.08
93.36
166
1
0.08
93.44
167
2
0.16
93.59
170
1
0.08
93.67
172
3
0.23
93.91
173
1
0.08
93.98
174
1
0.08
94.06
175
2
0.16
94.22
177
2
0.16
94.38
180
1
0.08
94.45
181
1
0.08
94.53
184
1
0.08
94.61
185
1
0.08
94.69
186
1
0.08
94.77
188
1
0.08
94.84
190
2
0.16
95.00
192
1
0.08
95.08
194
1
0.08
95.16
197
1
0.08
95.23
199
1
0.08
95.31
200
1
0.08
95.39
201
1
0.08
95.47
203
1
0.08
95.55
204
1
0.08
95.63
205
1
0.08
95.70
206
1
0.08
95.78
211
1
0.08
95.86
214
1
0.08
95.94
215
3
0.23
96.17
216
1
0.08
96.25
222
1
0.08
96.33
223
1
0.08
96.41
224
1
0.08
96.48
230
2
0.16
96.64
231
3
0.23
96.88
234
1
0.08
96.95
245
1
0.08
97.03
248
2
0.16
97.19
254
1
0.08
97.27
257
1
0.08
97.34
259
1
0.08
97.42
260
1
0.08
97.50
266
1
0.08
97.58
268
1
0.08
97.66
269
1
0.08
97.73
270
1
0.08
97.81
276
1
0.08
97.89
279
1
0.08
97.97
280
1
0.08
98.05
283
1
0.08
98.13
287
1
0.08
98.20
292
1
0.08
98.28
301
1
0.08
98.36
308
1
0.08
98.44
311
1
0.08
98.52
321
1
0.08
98.59
324
1
0.08
98.67
346
1
0.08
98.75
349
1
0.08
98.83
360
1
0.08
98.91
371
1
0.08
98.98
374
2
0.16
99.14
384
1
0.08
99.22
385
1
0.08
99.30
399
1
0.08
99.38
405
1
0.08
99.45
413
1
0.08
99.53
436
1
0.08
99.61
453
1
0.08
99.69
477
1
0.08
99.77
680
1
0.08
99.84
761
1
0.08
99.92
820
1
0.08
100.00
Total
1,280
100.00
 

Hospitals Volume
Percentiles
Volumes
Four Smallest Volumes
1%
1
1
5%
1
1
10%
1
1
Hospitals(Obs.)
57
25%
9
1
Sum of Wgt.
57
1
50%
608
Mean
734.8596
Four Largest Volumes
Std. Dev.
855.3538
75%
1,136
2,307
90%
1,601
3,158
Variance
731,630.2
95%
3,158
3,253
Skewness
1.56317
99%