Skip to main content

Table 1 Frequency of laboratory result records and missing proportions in the overall cohort

From: Characteristics of hospital differences in missing of clinical laboratory test results in a multi-hospital observational database contributing to MID-NET® in Japan

Scenario no Target laboratory test Most frequent number of records Percentage of patients with multiple records (%) Missing proportion (%)
Period 1 Period 1 Period 1 Period 2
1 Blood glucose 1 68.8 12.8 9.9
HbA1c 0 24.5 43.9 37.8
2 ALT 1 47.4 8.6 5.6
AST 1 47.3 8.7 5.7
ALP 1 31.6 29.2 24.8
Bilirubin 1 38.5 20.0 16.2
LDL-chol 1 27.6 27.0 23.1
TG 1 30.9 20.0 16.5
3 Serum uric acid 1 49.2 13.2 10.6
Serum creatinine 1 61.0 5.4 3.6
4 Serum sodium 1 46.0 25.9 20.6
Serum creatinine 1 48.1 22.4 16.6
5 Blood glucose 1 59.2 4.0 2.7
HbA1c 1 42.1 11.1 8.5
Serum amylase 0 33.9 36.3 31.7
6 INR 2 70.2 9.7 5.7
7 Blood glucose 1 63.0 13.8 11.2
  1. HbA1c hemoglobin A1c, ALT alanine transaminase, AST aspartate aminotransferase, ALP alkaline phosphatase, LDL-chol low-density lipoprotein cholesterol, TG triglyceride, INR international normalized ratio. Period 1 was 90 days before the first prescription date. Period 2 was 180 days before the first prescription date