Table 1: Medical variables for obstetric cases transferred by helicopter ambulance (n = 38).
| 
 Age  | 
 27.46 ± 5.98  | 
| 
 Diagnosis Non-complicated pregnancy Preeclampsia Erkan membrane rupture Placenta detachment Active labor Low threat High-risk pregnancy Stillbirth Acute fetal distress Abdominal pregnancy Uterine rupture Birth with meconium Ventricular tachycardia in pregnancy Multiple pregnancy  | 
 
 9 8 5 3 3 2 1 1 1 1 1 1 1 1  | 
| 
 Transfer indication Specialist physician needed Advanced specialist physician needed Intensive care needed Lack of medical equipment Incubator needed Further examination treatment needed  | 
 
 21 8 5 2 1 1  | 
| 
 Urgent need for medical attention during transfer  | 
 0  | 
| 
 Maternal mortality  | 
 0  | 
*Variables are given as median (interquartile range) or number of cases.