Model Information
Data Set
WORK.ANAL_
Response Variable
ae13
PRURITUS
Number of Response Levels
2
Number of Observations
4042802
Model
binary logit
Optimization Technique
Fisher's scoring
Response Profile
Ordered Value
Total Frequency
1
7915
0
4034887
Probability modeled is ae13=1.
NOTE:
7628 observations were deleted due to missing values for the response or explanatory variables.
Model Convergence Status
Convergence criterion (GCONV=1E-8) satisfied.
Model Fit Statistics
Criterion
Intercept Only
Intercept and Covariates
AIC
114531.32
104123.42
SC
114544.54
105101.14
-2 Log L
114529.32
103975.42
Testing Global Null Hypothesis: BETA=0
Test
Chi-Square
DF
Pr > ChiSq
Likelihood Ratio
10553.9005
73
<.0001
Score
46742.7207
Wald
16849.4405
Analysis of Maximum Likelihood Estimates
Parameter
Estimate
Standard Error
Wald Chi-Square
Intercept
-6.1782
0.0424
21201.9756
agegrp
-0.1998
0.00867
531.1817
FEMALE
0.3453
0.0275
157.8596
opioid
1.8950
0.0488
1508.1067
anesthesia
3.2125
0.1015
1002.2576
otherdx
2.2231
0.0350
4032.8023
procedure1
0.1394
0.1723
0.6547
0.4184
procedure2
-0.3227
0.2526
1.6317
0.2015
procedure3
0.1714
0.2032
0.7111
0.3991
procedure4
0.5025
0.3408
2.1736
0.1404
procedure6
0.2134
0.0660
10.4386
0.0012
procedure7
0.2214
0.0751
8.6838
0.0032
procedure8
0.7600
0.0408
347.7246
procedure9
0.2997
0.0567
27.9012
procedure10
0.1812
0.0675
7.2018
0.0073
hosp1
0.2439
0.0740
10.8552
0.0010
hosp2
0.0810
0.1003
0.6515
0.4196
hosp3
-0.1195
0.0452
6.9821
0.0082
hosp4
0.2598
0.0753
11.9090
0.0006
hosp6
0.0699
0.0510
1.8747
0.1709
hosp8
0.0650
0.0644
1.0184
0.3129
hosp9
0.9527
0.0522
332.4868
hosp10
-0.0235
0.1156
0.0413
0.8389
hosp11
0.2488
0.1441
2.9809
0.0843
hosp12
-0.5761
0.1220
22.2987
hosp13
0.2320
0.0654
12.5932
0.0004
hosp14
-0.2632
0.0770
11.6745
hosp15
0.0170
0.0787
0.0465
0.8294
hosp16
0.2154
0.0762
7.9884
0.0047
hosp17
-0.1462
0.0717
4.1528
0.0416
hosp18
0.1018
0.2074
0.2411
0.6234
hosp21
-0.1287
0.0700
3.3740
0.0662
hosp22
-0.1756
0.0490
12.8588
0.0003
hosp23
-0.0147
0.0633
0.0541
0.8160
hosp24
0.3145
33.7634
hosp25
0.1784
0.0876
4.1461
0.0417
hosp26
0.0713
0.1146
0.3870
0.5339
hosp32
-0.1118
0.1489
0.5640
0.4527
hosp34
-0.1411
0.0972
2.1049
0.1468
hosp35
0.6914
0.0757
83.3277
hosp36
0.1276
0.0749
2.8988
0.0886
source4
-0.2085
0.0813
6.5715
0.0104
source5
0.1565
0.1964
0.6350
0.4255
source6
-0.2785
0.1763
2.4962
0.1141
source7
-0.3204
0.0304
111.3228
CM_AIDS
0.6716
0.1666
16.2435
CM_ALCOHOL
0.0244
0.0779
0.0983
0.7538
CM_ANEMDEF
0.3840
0.0329
136.0178
CM_ARTH
0.0781
0.8029
0.3702
CM_BLDLOSS
0.0227
0.0565
0.1618
0.6875
CM_CHF
-0.2995
0.0616
23.6009
CM_CHRNLUNG
0.0342
0.0347
0.9718
0.3242
CM_COAG
-0.1901
0.0737
6.6521
0.0099
CM_DEPRESS
0.2130
0.0418
25.9838
CM_DM
-0.1154
0.0393
8.6476
0.0033
CM_DMCX
-0.1151
0.0738
2.4341
0.1187
CM_DRUG
0.2216
0.0727
9.2839
0.0023
CM_HTN_C
0.0175
0.0291
0.3626
0.5471
CM_HYPOTHY
0.1075
0.0440
5.9719
0.0145
CM_LIVER
0.3586
0.0771
21.6320
CM_LYMPH
-0.2534
0.1564
2.6250
0.1052
CM_LYTES
-0.1095
0.0367
8.9170
0.0028
CM_METS
0.00960
0.0784
0.0150
0.9025
CM_NEURO
-0.2148
10.1378
0.0015
CM_OBESE
0.0997
0.0471
4.4815
0.0343
CM_PARA
0.1125
3.1555
CM_PERIVASC
-0.1718
5.3950
0.0202
CM_PSYCH
0.2045
0.0691
8.7546
0.0031
CM_PULMCIRC
-0.0411
0.1585
0.0673
0.7953
CM_RENLFAIL
0.3471
0.0533
42.4797
CM_TUMOR
-0.1148
1.2727
0.2593
CM_ULCER
0.0991
0.5800
0.0292
0.8643
CM_VALVE
-0.1241
0.0729
2.8971
0.0887
CM_WGHTLOSS
-0.1598
0.0883
3.2765
0.0703
Odds Ratio Estimates
Effect
Point Estimate
95% Wald Confidence Limits
0.819
0.805
0.833
1.412
1.338
1.491
6.653
6.046
7.320
24.841
20.361
30.308
9.236
8.623
9.892
1.150
0.820
1.611
0.724
0.441
1.188
1.187
0.797
1.768
1.653
0.847
3.224
1.238
1.088
1.409
1.248
1.077
1.446
2.138
1.974
2.316
1.349
1.207
1.508
1.199
1.050
1.368
1.276
1.104
1.475
1.084
0.891
1.320
0.887
0.812
0.970
1.297
1.119
1.503
1.072
1.185
1.067
0.941
1.211
2.593
2.340
2.872
0.977
0.779
1.225
1.282
0.967
1.701
0.562
0.443
0.714
1.261
1.109
1.433
0.769
0.661
0.894
1.017
0.872
1.240
1.068
1.440
0.864
0.751
0.994
1.107
0.737
1.662
0.879
0.766
1.009
0.839
0.762
0.923
0.985
0.870
1.116
1.370
1.232
1.523
1.195
1.007
1.419
1.074
0.858
1.344
0.668
1.197
0.868
0.718
1.051
1.997
1.721
1.136
0.981
1.316
0.692
0.952
1.169
0.796
1.718
0.757
0.536
1.069
0.726
0.684
0.770
1.957
2.713
1.025
0.880
1.194
1.468
1.376
1.566
0.920
1.250
1.023
0.916
1.143
0.741
0.657
0.836
1.035
0.827
0.716
0.955
1.237
1.140
1.343
0.825
0.962
0.771
1.030
1.082
1.439
1.018
0.961
1.113
1.022
1.214
1.431
1.231
1.665
0.776
0.571
1.055
0.896
0.834
0.963
1.010
0.866
1.177
0.807
0.707
0.921
1.105
1.212
1.021
0.842
0.728
0.974
1.227
1.071
1.405
0.960
0.703
1.309
1.415
1.275
1.571
0.892
0.730
0.354
3.441
0.883
1.019
0.852
0.717
1.013
Association of Predicted Probabilities and Observed Responses
Percent Concordant
49.9
Somers' D
0.372
Percent Discordant
12.7
Gamma
0.594
Percent Tied
37.3
Tau-a
0.001
Pairs
31936130605
c
0.686
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