Table 8 Incidences with potentially proper missing and/or invalid values
From: Data missingness in the Michigan NEMSIS (MI-EMSIS) dataset: a mixed-methods study
Year | ||||||
|---|---|---|---|---|---|---|
Incident’s patient disposition (N %) | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
Cancelled | 28,626 (2.9) | 47,378 (3.7) | 56,923 (4.2) | 62,400 (4.2) | 70,014 (4.5) | 71,108 (4.4) |
No patient found | 10,538 (1.1) | 14,296 (1.1) | 17,194 (1.3) | 21,057 (1.4) | 23,249 (1.5) | 24,123 (1.5) |
No treatment required | 20,833 (2.1) | 26,629 (2.1) | 27,135 (2.0) | 28,651 (1.9) | 36,789 (2.4) | 45,967 (2.9) |
Standby only—no patient contacts | 1993 (0.2) | 2555 (0.2) | 2612 (0.2) | 2180 (0.1) | 2550 (0.2) | 3696 (0.2) |
Total | 61,990 (6.27) | 90,858 (7.01) | 103,864 (7.64) | 114,288 (7.64) | 132,602 (8.51) | 144,894 (9.04) |