Post-Operative Patient

Donated on 5/31/1993

Dataset of patient features

Dataset Characteristics

Multivariate

Subject Area

Health and Medicine

Associated Tasks

Classification

Feature Type

Categorical, Integer

# Instances

90

# Features

8

Dataset Information

Additional Information

The classification task of this database is to determine where patients in a postoperative recovery area should be sent to next. Because hypothermia is a significant concern after surgery (Woolery, L. et. al. 1991), the attributes correspond roughly to body temperature measurements. Results: -- LERS (LEM2): 48% accuracy

Has Missing Values?

Yes

Variables Table

Variable NameRoleTypeDescriptionUnitsMissing Values
L-COREFeatureCategoricalpatient's internal temperatureCno
L-SURFFeatureCategoricalpatient's surface temperatureCno
L-O2FeatureCategoricaloxygen saturation%no
L-BPFeatureCategoricallast measurement of blood pressureno
SURF-STBLFeatureCategoricalstability of patient's surface temperatureno
CORE-STBLFeatureCategoricalstability of patient's core temperatureno
BP-STBLFeatureCategoricalstability of patient's blood pressureno
COMFORTFeatureIntegerpatient's perceived comfort at discharge, measured between 0 and 20yes
ADM-DECSTargetCategoricaldischarge decision: I (patient sent to Intensive Care Unit), S (patient prepared to go home), A (patient sent to general hospital floor)no

0 to 9 of 9

Additional Variable Information

1. L-CORE (patient's internal temperature in C): high (> 37), mid (>= 36 and <= 37), low (< 36) 2. L-SURF (patient's surface temperature in C): high (> 36.5), mid (>= 36.5 and <= 35), low (< 35) 3. L-O2 (oxygen saturation in %): excellent (>= 98), good (>= 90 and < 98), fair (>= 80 and < 90), poor (< 80) 4. L-BP (last measurement of blood pressure): high (> 130/90), mid (<= 130/90 and >= 90/70), low (< 90/70) 5. SURF-STBL (stability of patient's surface temperature): stable, mod-stable, unstable 6. CORE-STBL (stability of patient's core temperature) stable, mod-stable, unstable 7. BP-STBL (stability of patient's blood pressure) stable, mod-stable, unstable 8. COMFORT (patient's perceived comfort at discharge, measured as an integer between 0 and 20) 9. decision ADM-DECS (discharge decision): I (patient sent to Intensive Care Unit), S (patient prepared to go home), A (patient sent to general hospital floor)

Dataset Files

FileSize
post-operative.data4.3 KB
post-operative.names2.6 KB
Index147 Bytes

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Creators

Sharon Summers

Linda Woolery

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