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. Author manuscript; available in PMC: 2024 Apr 20.
Published in final edited form as: Arch Dis Child Fetal Neonatal Ed. 2024 Apr 18;109(3):308–316. doi: 10.1136/archdischild-2023-326102

Table 1:

Patient characteristics comparing those neonates who improved in their Sarnat Exam from birth to rewarming versus those who worsened or did not change.

All Infants, n
(%)
Improved, n
(%)
No Change/
Worsened, n (%)
Total Included, n (% of total) 479 360 (75.2) 119 (24.8)
Maternal Age, mean (SD) 29.7 (6.4) 29.8 (6.5) 29.4 (6.0)
Maternal Education
   · High school or less 181 (37.8) 132 (36.7) 49 (41.2)
   · Some college 102 (21.3) 79 (21.9) 23 (19.3)
   · College graduate or higher 173 (36.1) 139 (38.6) 34 (28.6)
   · Not Reported 23 (4.8) 10 (2.8) 23 (19.3)
Maternal Parity
   · 1 276 (57.6) 213 (59.2) 63 (52.9)
   · 2 104 (21.7) 76 (21.1) 28 (23.5)
   · ≥ 3 99 (20.7) 71 (19.7) 28 (23.5)
Maternal SSRI use 28 (5.8) 26 (7.2) 2 (1.7)
Pregnancy Complications
   · Pregnancy Induced Hypertension 56 (11.7) 42 (11.7) 14 (11.8)
   · Preeclampsia or Eclampsia 45 (9.4) 34 (9.4) 11 (9.2)
   · Gestational Diabetes/Insulin Dependent Diabetes Mellitus 57 (11.9) 40 (11.1) 17 (14.3)
   · Thyroid Disease 40 (8.4) 31 (8.6) 9 (7.6)
   · Maternal Chorioamnionitis or Fever 75 (15.7) 57 (15.8) 18 (15.1)
Labor & Delivery Complications and Sentinel Events
   · Placenta Abruption 67 (14.0) 44 (12.2) 23 (19.3)
   · Cord Prolapse 22 (4.6) 22 (6.1) 0 (0.0)
   · Uterine Rupture 23 (4.8) 12 (3.3) 11 (9.2)
   · Shoulder Dystocia 31 (6.5) 25 (6.9) 6 (5.0)
   · Chorioamnionitis 63 (13.2) 50 (13.9) 13 (10.9)
   · Any Sentinel Event 136 (28.4) 99 (27.5) 37 (31.1)
Delivery Mode
   · Spontaneous Vaginal Delivery 116 (24.2) 92 (25.6) 24 (20.2)
   · Instrumented Vaginal Delivery 48 (10.0) 38 (10.6) 10 (8.4)
   · Elective Cesarean Delivery 12 (2.5) 9 (2.5) 3 (2.5)
   · Emergent/Urgent Cesarean Delivery 303 (63.3) 221 (61.4) 82 (68.9)
Male Sex 265 (55.3) 203 (56.4) 62 (52.1)
Apgar (Median, IQR)
   · 5 min 3 (2-5) 4 (2-5) 3 (1-5)
   · 10 min 5 (4-7) 5 (4-7) 4 (3-6)
Worst Blood Gas Parameters
   · pH, Mean (SD) 6.93 (0.17) 6.96 (0.16) 6.85 (0.20)
   · Base Deficit, Mean (SD) −18.3 (6.1) −17.6 (5.8) −20.5 (6.7)
Resuscitation Measures:
   · Intubation 330 (68.9) 235 (65.3) 95 (79.8)
   · Cardiac Compressions 148 (30.9) 95 (26.4) 53 (44.5)
   · Epinephrine 84 (17.5) 47 (31.1) 37 (31.1)
Placenta Pathology
   · Chorioamnionitis 122 (25.5) 102 (28.3) 20 (16.8)
   · Any Abnormality 264 (55.1) 213 (59.2) 51 (42.9)
   · Any Acute Abnormality 197 (41.1) 158 (43.9) 39 (32.8)
   · Any Chronic Abnormality 200 (41.8) 161 (44.7) 39 (32.8)
Sarnat Stage at Randomization (qSE)
   · Moderate 377 (78.7) 291 (80.8) 86 (72.3)
   · Severe 102 (21.3) 69 (19.2) 33 (27.7)
   · Total Sarnat Score, Median (IQR) 12 (10-14) 12 (10-13) 13 (11-15)
   · Sedative Medications around Time of Exam 53 (11.1) 37 (10.3) 16 (13.4)
Sarnat Stage after Rewarming (rSE)
   · Normal 99 (20.7) 99 (27.5) 0 (0.0)
   · Mild 230 (48.0) 230 (63.9) 0 (0.0)
   · Moderate 97 (20.3) 31 (8.6) 66 (55.5)
   · Severe 53 (11.1) 0 (0.0) 53 (44.5)
   · Total Sarnat Score, Median (IQR) 3 (1-9) 2 (0-5) 13 (10-16)
   · Sedative Medications around Time of Exam 146 (30.5) 69 (19.2) 77 (64.7)
End-Organ Injury
   · Liver Injury (AST > 100 IU/L) 184 (38.4) 115 (31.9) 69 (58.0)
   · Disseminated Intravascular Coagulopathy (INR > 2.0) 141 (29.4) 84 (23.3) 57 (47.9)
   · Anuria/Oliguria/Acute Kidney Injury (Creatinine > 1.5mg/dL) 50 (10.4) 24 (6.7) 26 (21.8)
   · Thrombocytopenia 13 (2.7) 6 (1.7) 7 (5.9)
   · Respiratory Support
     o Intubation 330 (68.9) 235 (65.3) 95 (79.8)
     o iNO 88 (18.4) 45 (12.5) 43 (36.1)
   · Extracorporeal Membrane Oxygenation 19 (4.0) 9 (2.5) 10 (8.4)
   · Hypotension Treatment by Day 5
     o Inotropic Support 172 (35.9) 98 (27.2) 74 (62.2)
     o Hydrocortisone 89 (18.6) 41 (11.4) 48 (40.3)
   · Seizures 174 (36.3) 87 (24.2) 87 (73.1)
   · Erythropoietin Treatment 244 (50.9) 188 (52.2) 56 (47.1)
Discharge
All Oral Feedings at Discharge 370 (77.2) 319 (88.6) 51 (42.9)
Outcomes
   · Death 45 (9.4) 9 (2.5) 36 (30.3)
     · Day of Death , Median (IQR) 11 (7-29) 12 (6-30) 10 (7-26)
   · Any Neurodevelopmental Impairment 174 (36.3) 121 (33.6) 53 (44.5)
   · Not Known 19 (4.0) 15 (4.2) 4 (3.4)