Table 3: Patient demographics comparing telemetry vs. non-telemetry patients.
Telemetry+ (n = 161) |
Telemetry– (n = 16) |
p value* |
|
|
Mean (SD) |
Mean (SD) |
|
Age (Years) |
69.9 (15.7) |
59.1 (15.5) |
0.01 |
|
|
|
|
|
n (%) |
n (%) |
|
Gender (Male) |
99 (61.5) |
9 (56.3) |
0.79 |
|
|
|
|
Coronary Artery Disease |
67 (41.6) |
2 (12.5) |
0.03 |
Atrial Fibrillation |
32 (19.9) |
0 |
0.08 |
Congestive Heart Failure |
49 (30.4) |
0 |
0.007 |
|
|
||
Chronic Kidney Disease |
56 (34.8) |
4 (25.0) |
0.58 |
Diabetes Mellitus |
70 (43.5) |
7 (43.8) |
0.99 |
|
|
|
|
|
|
|
|
|
Mean (SD) |
Mean (SD) |
|
Glasgow Coma Scale |
14.1 (2.2) |
14.8 (0.5) |
0.25 |
|
|
|
|
Cardiac Markers |
Mean (SD)
|
Mean (SD) |
|
Troponin (n = 116) |
2.3 (14.9) |
0.07 (0.08) (n = 2) |
0.11 |
CKMB (n = 86) |
16.6 (44.9) |
4.8 --- (n = 1) |
--- |
CK (n = 95) |
317 (910.5) |
429 --- (n = 1) |
--- |
|
|
|
|
Other Blood Tests |
Mean (SD) |
Mean (SD) |
|
BUN (mg/dL, nl 7-17) |
36.6 (27.3) |
28.1 (17.0) |
0.09 |
Cr (mg/dL, nl 0.5-1) |
2.2 (2.3) |
2.6 (3.2) |
0.58 |
Hgb (g/dL, nl 12-16) |
12.0 (2.5) |
11.1 (2.3) |
0.15 |
K (mmol/L, nl 3.5-5.1) |
4.5 (1.2) |
4.4 (0.6) |
0.63 |
Ca (mg/dL, nl 8.4-10.2) |
8.6 (1.0) |
8.6 (0.8) |
0.95 |
Mg (mg/dL, nl 1.6-2.3) |
2.3 (1.4) |
2.0 (0.3) |
0.08 |
|
|
|
|
EKG |
n = 151/161 |
n = 10 |
|
|
Mean (SD) |
Mean (SD) |
|
Heart Rate (beats per minute) |
90.0 (26.5) |
82.4 (19.0) |
0.25 |
QTc (milliseconds) |
471 (44) |
452 (38) |
0.18 |
|
|
|
|
|
n (%) |
n (%) |
|
T-wave abnormality |
38 (24.8) |
1 (10.0) |
0.45 |
|
|
|
|
Sinus Rhythm |
65 (43.0) |
7 (70.0) |
0.11 |
Sinus Tachycardia |
33 (21.9) |
1 (10.0) |
0.69 |
Sinus Bradycardia |
8 (5.3) |
2 (20.0) |
0.12 |
Atrial Fibrillation |
29 (19.2) |
0 |
0.24 |
Ventricular Paced |
10 (6.6) |
0 |
0.21 |
Junctional Rhythm |
2 (1.3) |
0 |
0.99 |
Atrioventricular Paced |
1 (0.7) |
0 |
0.99 |
Ectopic Atrial Rhythm |
1 (0.7) |
0 |
0.99 |
Supraventricular Tachycardia |
2 (1.3) |
0 |
0.99 |
|
|
|
|
|
Mean (SD) |
Mean (SD) |
|
WBC (K/mcL, nl 3.8-11) |
11.6 (10.8) |
12.1 (9.9) |
0.76 |
Temperature (Celsius) |
36.6 (2.2) |
36.8 (0.3) |
0.44 |
Heart Rate |
88.7 (15.0) |
83.2 (21.1) |
0.31 |
Respiratory Rate |
19.6 (3.4) |
17.8 (2.1) |
0.04 |
SpO2% |
96.5 (3.8) |
97.4 (2.2) |
0.18 |
|
|
|
|
|
n (%) |
n (%) |
|
Room Air |
112 (69.6) |
11 (68.8) |
0.13** |
Nasal Cannula |
17 (10.6) |
4 (25.0) |
|
Other Oxygen delivery device |
32 (19.9) |
1 (6.3) |
|
|
|
|
|
|
Mean (SD) |
Mean (SD) |
|
Systolic Blood Pressure mmHg |
124 (26) |
120 (21) |
0.52 |
Diastolic Blood Pressure mmHg |
70 (15) |
69 (12) |
0.74 |
Laboratory, EKG, and vital sign variables recorded at earliest value from admission. Glasgow Coma Scale values recorded post return of spontaneous circulation (ROSC).
CK-MB: Creatine Kinase Muscle/Brain; CK: Creatine Kinase; BUN: Blood Urea Nitrogen; Cr: Creatinine; Hgb: Hemoglobin; K: Potassium; Ca: Calcium; Mg: Magnesium; EKG: Electrocardiogram; QTc: Corrected QT interval; WBC: White Blood Cell; SpO2%: Pulse Oximetry
*p-values calculated from two-sample t-test for continuous variables and Fisher's exact test for categorical variables.
**p by Fisher's exact test for overall oxygen delivery.