TABLE 25Descriptive statistics for variables

VariableMeanSDMin.Max.
fbc0.5830.49301
ue0.5670.49501
sex1.5840.49312
age57.03120.15415101
Charlson Score0.0660.33406
imd10.2120.40901
imd20.1080.31001
imd30.1160.32001
imd40.0780.26801
imd50.0920.28901
imd60.1170.32201
imd70.0940.29101
imd80.0640.24501
imd90.0860.28001
imd100.0330.17801
race10.6990.45901
race20.0040.06001
race30.0060.08001
race40.0020.04801
race50.0010.02601
race60.0020.03901
race70.0010.03301
race80.0120.10901
race90.0130.11301
race100.0020.04501
race110.0050.07101
race120.0070.08301
race130.0060.07601
race140.0020.04701
race150.0030.05201
race160.0060.08001
race170.2290.42001
opcs10.0180.13301
opcs20.0360.18701
opcs30.2640.44101
opcs40.0180.13501
opcs50.0330.17901
opcs60.0270.16301
opcs70.0330.17901
opcs80.0190.13701
opcs90.0100.09901
opcs100.2050.15701
opcs110.0170.13001
opcs120.0250.40401
opcs130.1370.34401
opcs140.0390.19401
opcs150.0660.24801
opcs160.0500.21801
opcs170.0010.03201
icd10.0010.02901
icd20.1300.33601
icd30.0080.08601
icd40.0170.13001
icd50.2490.43301
icd60.0130.11401
icd70.0160.12501
icd80.0290.16901
icd90.0870.28101
icd100.0210.14401
icd110.0350.18501
icd120.1590.36501
icd130.0400.19601
icd140.0060.07601
icd150.0710.25701
icd160.0200.14101
icd170.0980.29701

age, age in years; Charlson Score, Charlson comorbidity index; fbc, dummy variable for FBC test (1 = had test); icd, surgical procedure ICD10 codes, 17 groups (dummy for each group, base = ICD10); imd, socioeconomic status, IMD04 deciles (dummy for each decile, base = IMD1); max., maximum; min., minimum; opcs, primary diagnosis OPCS4 chapter, 17 groups (dummy for each group, base = OPCS1); race, dummies for ethnicity, 17 groups (dummy for each group, base = race1); SD, standard deviation; sex, dummy variable for sex (1 = female); ue, dummy variable for U&E (1 = had test).

From: 6, Routine pre-operative testing regression analysis report

Cover of What is the Value of Routinely Testing Full Blood Count, Electrolytes and Urea, and Pulmonary Function Tests Before Elective Surgery in Patients with No Apparent Clinical Indication and in Subgroups of Patients with Common Comorbidities: A Systematic Review of the Clinical and Cost-Effective Literature
What is the Value of Routinely Testing Full Blood Count, Electrolytes and Urea, and Pulmonary Function Tests Before Elective Surgery in Patients with No Apparent Clinical Indication and in Subgroups of Patients with Common Comorbidities: A Systematic Review of the Clinical and Cost-Effective Literature.
Health Technology Assessment, No. 16.50.
Czoski-Murray C, Jones ML, McCabe C, et al.
Southampton (UK): NIHR Journals Library; 2012 Dec.
© 2012, Crown Copyright.

Included under terms of UK Non-commercial Government License.

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