Recontact | ED presentation | Hospital admission | Adverse event | |
OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
Male gender | 1.04 (0.93 to 1.17) | 1.05 (0.99 to 1.11) | 1.07 (0.96 to 1.20) | 0.91 (0.53 to 1.56) |
Patient age | ||||
0–11 months | Ref | Ref | Ref | Ref |
1–4 years | 0.94 (0.75 to 1.16) | 0.92 (0.84 to 1.00) | 0.58 (0.50 to 0.68) | 0.47 (0.23 to 0.98) |
5–11 years | 1.05 (0.84 to 1.32) | 0.71 (0.64 to 0.78) | 0.45 (0.38 to 0.54) | 0.24 (0.09 to 0.64) |
12–17 years | 1.53 (1.21 to 1.92) | 0.68 (0.61 to 0.76) | 0.48 (0.40 to 0.59) | 0.61 (0.24 to 1.56) |
Hour of day | ||||
00:00–04:00 | 1.29 (1.03 to 1.60) | 1.13 (1.01 to 1.26) | 0.71 (0.57 to 0.88) | 0.76 (0.28 to 2.05) |
04:00–08:00 | 1.39 (1.08 to 1.79) | 1.11 (0.97 to 1.26) | 1.24 (0.99 to 1.56) | 1.09 (0.37 to 3.24) |
08:00–12:00 | 1.25 (1.01 to 1.55) | 1.13 (1.02 to 1.26) | 1.34 (1.11 to 1.62) | 1.07 (0.43 to 2.68) |
12:00–16:00 | Ref | Ref | Ref | Ref |
16:00–20:00 | 1.23 (1.02 to 1.49) | 1.10 (1.01 to 1.20) | 0.98 (0.82 to 1.16) | 0.42 (0.15 to 1.15) |
20:00–00:00 | 1.19 (0.98 to 1.43) | 1.19 (1.09 to 1.30) | 0.83 (0.69 to 0.98) | 0.94 (0.42 to 2.07) |
Weekend | 0.97 (0.85 to 1.10) | 1.04 (0.98 to 1.10) | 1.00 (0.89 to 1.13) | 0.67 (0.35 to 1.28) |
Major city residential address | 0.85 (0.74 to 0.98) | 0.96 (0.90 to 1.03) | 0.95 (0.83 to 1.09) | 1.10 (0.54 to 2.22) |
Time-critical dispatch code | 0.75 (0.66 to 0.85) | 0.91 (0.85 to 0.97) | 0.91 (0.81 to 1.03) | 1.36 (0.73 to 2.54) |
Medical case nature | 1.75 (1.47 to 2.07) | 1.23 (1.12 to 1.34) | 2.22 (1.85 to 2.66) | 0.83 (0.37 to 1.85) |
Paramedic diagnosis | ||||
No problem identified | Ref | Ref | Ref | Ref |
Mental health/Social/Behavioural issue or Alcohol/Drug related | 2.07 (1.65 to 2.60) | 0.96 (0.83 to 1.13) | 1.63 (1.20 to 2.20) | 1.85 (0.51 to 6.70) |
Respiratory condition | 1.15 (0.90 to 1.48) | 1.96 (1.74 to 2.20) | 1.31 (1.05 to 1.65) | 1.68 (0.56 to 5.07) |
Neurological condition | 1.87 (1.48 to 2.37) | 1.10 (0.95 to 1.28) | 0.98 (0.73 to 1.32) | 1.56 (0.39 to 6.19) |
Infection | 1.41 (1.12 to 1.78) | 1.85 (1.64 to 2.07) | 1.58 (1.27 to 1.96) | 1.65 (0.54 to 5.02) |
Gastrointestinal/Genitourinary condition | 1.21 (0.88 to 1.66) | 1.98 (1.70 to 2.31) | 2.00 (1.53 to 2.61) | 1.20 (0.23 to 6.16) |
Other medical condition | 0.82 (0.62 to 1.08) | 1.52 (1.34 to 1.73) | 1.19 (0.92 to 1.53) | 1.66 (0.53 to 5.25) |
Musculoskeletal issue/Traumatic injury | 0.70 (0.51 to 0.95) | 2.62 (2.33 to 2.95) | 1.98 (1.53 to 2.56) | 0.17 (0.02 to 1.57) |
Pain | 0.61 (0.43 to 0.85) | 2.17 (1.89 to 2.48) | 1.70 (1.28 to 2.25) | 1.63 (0.41 to 6.45) |
Unknown problem | 1.23 (0.87 to 1.74) | 1.82 (1.55 to 2.13) | 1.55 (1.15 to 2.10) | 2.43 (0.68 to 8.67) |
Paramedic treatment provided | 1.14 (0.91 to 1.42) | 1.25 (1.14 to 1.37) | 1.26 (1.04 to 1.52) | 1.91 (0.76 to 4.79) |
Abnormal vital sign | 1.00 (0.87 to 1.15) | 1.05 (0.99 to 1.12) | 1.23 (1.09 to 1.39) | 2.22 (1.25 to 3.95) |
Documented non-transport reason | ||||
Transport not required | Ref | Ref | Ref | Ref |
Transported by other means | 0.49 (0.39 to 0.62) | 19.06 (17.75 to 20.46) | 7.59 (6.56 to 8.78) | 7.33 (3.46 to 15.52) |
Referred to GP/Another provider | 1.19 (1.02 to 1.39) | 1.36 (1.24 to 1.49) | 1.24 (1.02 to 1.51) | 1.82 (0.71 to 4.65) |
Transport refused by patient/Carer | 1.42 (1.22 to 1.66) | 1.97 (1.80 to 2.16) | 1.79 (1.47 to 2.18) | 2.16 (0.85 to 5.50) |
Highest experience level of crew (per year) | 1.00 (0.99 to 1.01) | 1.00 (1.00 to 1.00) | 1.00 (0.99, 1.01) | 1.00 (0.97, 1.04) |
ED, emergency department; GP, general practitioner; Ref, reference.