From: Data missingness in the Michigan NEMSIS (MI-EMSIS) dataset: a mixed-methods study
MCA level of missingness N (%) | Level of missingness across all MCAs (%) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
0–5% | 5–10% | 10–15% | 15–20% | 20–25% | 25–30% | > 30% | Mean | Median | Standard deviation | Range | |
Age | 13 (21) | 24 (39) | 7 (11) | 5 (8) | 4 (7) | 0 (0) | 8 (13) | 13.9 | 8.4 | 16.6 | 0–100 |
Gender | 15 (25) | 24 (39) | 6 (10) | 5 (5) | 3 (5) | 2 (3) | 6 (10) | 13.7 | 8 | 16.5 | 0–100 |
Race | 0 (0) | 1 (2) | 2 (3) | 4 (7) | 8 (13) | 5 (8) | 42 (69) | 43.3 | 39.3 | 23.4 | 9–100 |
Patient Home Zip | 11 (18) | 22 (36) | 9 (15) | 6 (10) | 5 (8) | 1 (2) | 10 (16) | 16.9 | 9.9 | 17.8 | 0–98 |
Incident Zip | 58 (95) | 1 (2) | 1 (2) | 0 (0) | 0 (0) | 0 (0) | 1 (2) | 1.6 | 0.1 | 8.7 | 0–67 |
Destination Name | 20 (33) | 13 (21) | 9 (15) | 11 (18) | 5 (8) | 1 (2) | 3 (5) | 11.2 | 9.5 | 9.2 | 0–100 |
Destination Code | 24 (39) | 12 (20) | 6 (10) | 11 (18) | 3 (5) | 1 (2) | 6 (10) | 12.6 | 6.4 | 15.1 | 0–100 |
Chief Complaint Narrative | 24 (39) | 24 (39) | 4 (7) | 3 (5) | 2 (3) | 2 (3) | 2 (3) | 8.7 | 7.2 | 8.4 | 0–41 |
Provider Primary Impression | 51 (84) | 4 (7) | 4 (7) | 2 (3) | 0 (0) | 0 (0) | 0 (0) | 3.1 | 1.3 | 4.7 | 0–20 |
Medication Allergies | 2 (3) | 3(5) | 9 (15) | 6 (10) | 9 (15) | 8 (13) | 24 (39) | 30.6 | 27.3 | 20.3 | 0–100 |
Medical Surgical History | 11 (18) | 5 (8) | 6 (10) | 3 (5) | 6 (10) | 1 (2) | 29 (48) | 37.6 | 24.7 | 31.3 | 0–100 |
Current Medication Name | 0 (0) | 0 (0) | 3 (5) | 6 (10) | 1 (2) | 7 (11) | 44 (72) | 51.7 | 46.2 | 27.2 | 11–100 |
Systolic Blood Pressure | 1 (2) | 1 (2) | 4 (7) | 18 (30) | 8 (13) | 4 (7) | 26 (43) | 32.5 | 24.5 | 21.7 | 3–100 |
Diastolic Blood Pressure | 0 (0) | 2 (3) | 2 (3) | 15 (3) | 9 (15) | 5 (8) | 28 (46) | 34.1 | 25.8 | 21.4 | 7–100 |
Pulse Rate | 1 (2) | 1 (2) | 10 (16) | 12 (20) | 7 (11) | 6 (10) | 24 (40) | 31.2 | 24.3 | 21.7 | 2–100 |
Pulse Oximetry | 1 (2) | 0 (0) | 2 (3) | 4 (7) | 8 (13) | 7 (11) | 39 (64) | 40.7 | 35.7 | 20.8 | 4–100 |
Respiratory Rate | 1 (2) | 2 (3) | 8 (13) | 14 (23) | 6 (10) | 4 (7) | 26 (43) | 32.3 | 24.6 | 23.1 | 0–100 |
Body Temperature | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 61 (100) | 90.8 | 95.4 | 11.6 | 44–100 |