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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Am J Hematol. 2019 Apr 29;94(6):689–696. doi: 10.1002/ajh.25471

Table 1:

Comparison of patient characteristics based on whether the patient received a Normal Saline Bolus versus No Bolus in the Emergency Department

Fluid Type*
Variable Total (N=400) No Bolus (N = 137) NS Bolus# (N = 261) P-value**
Sex - Male 185 (46%) 65 (47%) 119 (46%) 0.731
Age (years) 13.8 (4.9) 13.8 (4.9) 13.8 (4.9) 0.902
Patient Weight (kg) 47.4 (21.3) 46.5 (19.7) 47.9 (22.1) 0.652
Type of Sickle cell anemia 0.051
 HbSS 367 (92%) 121 (88%) 245 (94%)
 HbS Beta-Zero Thalassemia 33 (8%) 16 (12%) 16 (6%)
Vital Signs (from triage)
 Temperature (0C) 37.0 (0.6) 37.0 (0.5) 37.1 (0.6) 0.212
 Heart Rate (beats/minute) 97.7 (18.3) 94.9 (17.3) 99.1 (18.8) 0.052
 Systolic Blood Pressure (mmHg) 118.4 (13.1) 117.8 (12.7) 118.8 (13.3) 0.432
 Diastolic Blood Pressure (mmHg) 68.3 (10.8) 68.4 (11.2) 68.3 (10.5) 0.902
 Mean Arterial Pressure (mmHg) 85.0 (10.2) 84.8 (10.6) 85.1 (9.9) 0.582
 Oxygen saturation (%) 97.6 (2.6) 97.7 (2.7) 97.6 (2.6) 0.312
Fever at home or in the ED 74 (18.5%) 18 (13%) 56 (22%) 0.04
First pain score recorded 8.0 (2.2) 8.0 (2.1) 8.0 (2.1) 0.712
Minutes from first ED encounter to IV placement 56.7 (41.3) 51.8 (40.1) 59.2 (41.7) 0.052
IVF bolus received in the ED 263 (66%) - - -
IV opioids received in the ED 365 (91%) 115 (84%) 249 (95%) <.0011
Intranasal Fentanyl received in the ED 75 (18.8%) 43 (31%) 32 (12%) <.0011
Total parenteral morphine equivalents given in ED (mg/kg) 0.2 (0.2) 0.3 (0.3) 0.2 (0.2) 0.722
Total parenteral morphine equivalents given in ED (mg/kg/hr) 0.1 (0.6) 0.1 (0.09) 0.1 (0.04) 0.142
Oral opioids received in the ED 98 (24.5%) 48 (35.0%) 50 (19.2%) <.0011
1

Chi-squared test.

2

Kruskal-Wallis test.

3.

Missing disposition data on 3 patients from Bolus group.

#

Of 400 patients, N=263 were given an IVF bolus. N=1 received ½ NS bolus and N=1 received LR bolus, which were not included in the Bolus vs. No Bolus data analysis for the table.

*

All values are given in N (%) or Mean (SD) unless otherwise specified

**

All comparisons are between the Bolus and No Bolus groups