Principal Procedure Code & Name Volume Percent Cumulative
55.51—NEPHROURETERECTOMY/UNILATERAL NEPHRECTOMY
3,002
94.20
94.20
55.52—SOLITARY KIDNEY NEPHRECTOMY
15
0.47
94.67
55.53—REJECTED KIDNEY NEPHRECTOMY
137
4.30
98.96
55.54—BILATERAL NEPHRECTOMY
33
1.04
100.00
Total
3,187
100.00


Volume of Procedures
Number of Hospitals
Percent of Hospital Total
Cumulative Percent of Hospital Total
1
9
5.42
5.42
2
14
8.43
13.86
3
4
2.41
16.27
4
12
7.23
23.49
5
18
10.84
34.34
6
9
5.42
39.76
7
9
5.42
45.18
8
11
6.63
51.81
9
6
3.61
55.42
10
9
5.42
60.84
11
4
2.41
63.25
12
4
2.41
65.66
13
3
1.81
67.47
14
3
1.81
69.28
15
3
1.81
71.08
16
1
0.60
71.69
17
1
0.60
72.29
18
2
1.20
73.49
19
1
0.60
74.10
20
7
4.22
78.31
21
2
1.20
79.52
22
1
0.60
80.12
23
3
1.81
81.93
25
1
0.60
82.53
27
1
0.60
83.13
28
3
1.81
84.94
29
1
0.60
85.54
30
2
1.20
86.75
36
2
1.20
87.95
38
1
0.60
88.55
39
1
0.60
89.16
42
1
0.60
89.76
47
1
0.60
90.36
52
1
0.60
90.96
54
1
0.60
91.57
57
1
0.60
92.17
59
1
0.60
92.77
68
1
0.60
93.37
80
1
0.60
93.98
90
1
0.60
94.58
91
2
1.20
95.78
94
1
0.60
96.39
100
1
0.60
96.99
114
1
0.60
97.59
123
1
0.60
98.19
150
1
0.60
98.80
178
1
0.60
99.40
208
1
0.60
100.00
Total
166
100.00
 
Volume of Procedures Number of Doctors Percent of Doctors Total Cumulative Percent of Doctors Total
1
310
40.47
40.47
2
122
15.93
56.40
3
76
9.92
66.32
4
72
9.40
75.72
5
44
5.74
81.46
6
30
3.92
85.38
7
22
2.87
88.25
8
11
1.44
89.69
9
8
1.04
90.73
10
8
1.04
91.78
11
11
1.44
93.21
12
7
0.91
94.13
13
3
0.39
94.52
14
3
0.39
94.91
15
11
1.44
96.34
16
2
0.26
96.61
17
1
0.13
96.74
18
1
0.13
96.87
19
3
0.39
97.26
20
2
0.26
97.52
21
1
0.13
97.65
23
3
0.39
98.04
24
1
0.13
98.17
25
2
0.26
98.43
26
3
0.39
98.83
27
1
0.13
98.96
30
2
0.26
99.22
31
1
0.13
99.35
41
1
0.13
99.48
43
1
0.13
99.61
47
2
0.26
99.87
89
1
0.13
100.00
Total
766
100.00
 

Hospitals Volume
Percentiles
Volumes
Four Smallest Volumes
1%
1
1
5%
1
1
10%
2
1
Hospitals(Obs.)
166
25%
5
1
Sum of Wgt.
166
1
50%
8
Mean
19.1988
Four Largest Volumes
Std. Dev.
31.22455
75%
20
123
90%
47
150
Variance
974.9724
95%
91
178
Skewness
3.449762
99%
178
208
Kurtosis
16.55502
 
Doctors Volume
Percentiles
Volumes
Four Smallest Volumes
1%
1
1
5%
1
1
10%
1
1
Doctors(Obs.)
766
25%
1
1
Sum of Wgt.
766
1
50%
2
Mean
4.05483
Four Largest Volumes
Std. Dev.
6.221163
75%
4
43
90%
9
47
Variance
38.70287
95%
15
47
Skewness
5.856261
99%
30
89
Kurtosis
58.67245




 
 

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