Skip to main content

Advertisement

Table 2 Univariable and multivariable analyses of the explanatory variables being assessed for their association with ‘no paramedic treatment’

From: Patient and case characteristics associated with ‘no paramedic treatment’ for low-acuity cases referred for emergency ambulance dispatch following a secondary telephone triage: a retrospective cohort study

  Multivariable logistic regression
Explanatory variable Categories Frequency % not treated by paramedics (95% CI) OR (95% CI) Category p-value Variable p-value
Gender Male 7700 45.2 (44.2–46.3) 1 0.477
Female 9256 44.2 (43.3–45.2) 1.03 (0.95–1.11) 0.477
Age 0-4 yrs 300 92.7 (89.7–95.6) 6.14 (3.81–9.88) <0.001 <0.001
5-9 yrs 182 69.2 (62.5–76.0) 2.46 (1.62–3.74) <0.001
10-14 yrs 202 52.0 (45.0–58.9) 1.51 (1.01–2.26) 0.047
15-19 yrs 436 46.3 (41.6–51.0) 1.61 (1.18–2.20) 0.003
20-24 yrs 656 45.6 (41.8–49.4) 1.40 (1.07–1.83) 0.015
25-29 yrs 847 39.3 (36.0–42.6) 1.24 (0.96–1.60) 0.098
30-34 yrs 1006 38.8 (35.8–41.8) 1.27 (0.99–1.61) 0.057
35-39 yrs 1041 34.6 (31.7–37.5) 1.10 (0.87–1.40) 0.425
40-44 yrs 1195 35.5 (32.8–38.2) 1.19 (0.94–1.50) 0.150
45-49 yrs 959 35.1 (32.1–38.2) 1.01 (0.79–1.29) 0.927
50-54 yrs 932 38.3 (35.2–41.4) 0.94 (0.74–1.18) 0.580
55-59 yrs 981 39.8 (36.7–42.8) 1
60-64 yrs 1183 40.2 (37.4–43.0) 0.97 (0.78–1.21) 0.793
65-69 yrs 1280 45.3 (42.6–48.0) 1.06 (0.86–1.31) 0.589
70-74 yrs 1519 43.8 (41.4–46.3) 0.97 (0.79–1.19) 0.758
75-79 yrs 1782 47.1 (44.8–49.4) 1.04 (0.85–1.26) 0.732
80-84 yrs 2056 50.5 (48.3–52.7) 1.18 (0.97–1.42) 0.101
85 + yrs 2484 52.8 (50.8–54.7) 1.16 (0.96–1.40) 0.124
Time of day 0700-1859 h 11,621 44.6 (43.7–45.5) 1 <0.001
1900-0659 h 7420 44.8 (43.7–46.0) 1.17 (1.08–1.26) <0.001
Income status of patients LGA Above median income of $54 K 2499 47.6 (45.7–49.6) 1 0.544
Below median income of $54 K 16,542 44.3 (43.5–45.0) 1.03 (0.93–1.15) 0.544
Pain level Mild (pain <3/10) 11,139 68.6 (67.7–69.4) 1 <0.001
Moderate (pain 3–6/10) 2696 24.0 (22.4–25.6) 0.16 (0.14–0.18) <0.001
Severe (pain >6/10) 5206 4.4 (3.8–4.9) 0.02 (0.02–0.03) <0.001
Triage guideline groups Abdominal pain 4276 27.2 (25.9–28.5) 0.83 (0.63–1.08) 0.158 <0.001
Back pain 2319 22.3 (20.5–23.9) 0.79 (0.60–1.04) 0.098
Dizziness 1566 58.4 (56.2–61.1) 0.77 (0.58–1.01) 0.056
Nausea / vomiting 1320 54.0 (51.4–56.7) 0.72 (0.55–0.95) 0.022
Psychiatric conditions 1087 89.8 (87.9–91.5) 4.44 (3.19–6.18) <0.001
Fever 1068 62.9 (60.1–65.8) 0.86 (0.64–1.14) 0.287
Weakness 907 64.7 (61.6–67.8) 1.05 (0.79–1.40) 0.749
Headache 839 42.0 (38.6–45.3) 1.18 (0.87–1.61) 0.287
Confusion/Disorientation/Agitation 753 65.7 (62.3–69.0) 1.01 (0.75–1.35) 0.966
Flank Pain 663 14.9 (12.3–17.8) 0.68 (0.47–0.97) 0.035
Hip Non-Injury 526 22.2 (18.9–26.1) 0.65 (0.46–0.92) 0.016
Chest Pain / Discomfort 497 38.5 (34.3–42.8) 0.58 (0.42–0.81) 0.001
Neurological Symptoms/Transient Ischaemic Attack 436 58.3 (53.7–62.9) 0.76 (0.55–1.05) 0.097
Trauma 415 47.0 (42.2–51.8) 1.21 (0.85–1.72) 0.301
Fainting 370 61.8 (56.9–66.7) 0.79 (0.56–1.12) 0.179
Hypertension 370 69.4 (64.7–74.1) 1.46 (1.03–2.07) 0.033
Hip Injury 324 27.8 (23.0–32.7) 0.60 (0.41–0.88) 0.009
Diabetes-related problems 319 52.6 (47.2–58.1) 0.78 (0.55–1.11) 0.169
Musculoskeletal other 311 50.8 (45.2–56.4) 1.34 (0.91–1.95) 0.136
Diarrhoea 310 64.9 (59.5–70.2) 1.20 (0.84–1.73) 0.316
Urinary symptoms 365 44.8 (39.7–49.9) 1
Referral Service call-taker qualification Nurse 2700 45.3 (43.4–47.1) 1.01 (0.91–1.12) 0.903 0.816
ALS paramedic 15,813 44.7 (43.9–45.5) 1
Intensive care paramedic 528 41.1 (36.9–45.3) 0.93 (0.74–1.17) 0.538
Continuous variables Mean number of comorbidities for those treated (SD)   Mean number of comorbidities for those not treated (SD)    
Comorbidities 3.15 (SD 2.3)   2.96 (2.2) 0.92 (0.91–0.94) <0.001 <0.001