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. Author manuscript; available in PMC: 2016 Aug 18.
Published in final edited form as: J Biomed Inform. 2015 Jul 29;58(Suppl):S30–S38. doi: 10.1016/j.jbi.2015.06.015

Table 8.

The confusion matrix of our model on the i2b2 test set at the strict entity level

Output

Key Dt Dct Pt Un Hpt Ct Stt Str Zip Org Ctr Lct Age Mdr Idn Dv Ph Fx Em Prf Missing Total

Dt 4812 1 1 106 4980
Dct 1758 8 1 1 144 1912
Pt 17 797 65 879
Un 2 88 2 92
Hpt 1 727 7 1 139 875
Ct 1 184 5 1 1 68 260
Stt 9 154 27 190
Str 132 4 136
Zip 136 2 2 140
Org 9 1 25 47 82
Ctr 2 6 10 22 77 117
Lct 1 0 12 13
Age 707 57 764
Mdr 412 2 8 422
Idn 6 158 31 195
Dv 3 5 8
Ph 1 199 1 14 215
Fx 1 1 0 2
Em 1 0 1
Prf 107 72 179
Spurious 65 28 25 0 69 5 3 2 0 4 5 0 20 9 20 0 1 0 0 25 281
Total 4877 1898 830 88 807 214 167 134 136 35 28 1 728 427 182 3 203 2 1 132 880 11462

(where Dt=DATE, Dct=DOCTOR, Pt=PATIENT, Un=USERNAME, Hpt=HOSPITAL, Ct=CITY, Stt=STATE, Str=STREET, Org=ORGANIZATION, Ctr=COUNTRY, Lct=LOCATION-OTHER, Mdr=MEDICALRECORD, Id= IDNUM, Dv=DEVICE, Ph=PHONE, Fx=FAX, Em=EMAIL, Prf=PREFESSION)