Research Article

The Effect of Optimally Timed Osteopathic Manipulative Treatment on Length of Hospital Stay in Moderate and Late Preterm Infants: Results from a RCT

Table 2

General characteristics of the study population at baseline with OMT time frame <14 days.

Study group ( = 55)Control group ( = 55) value

Neonatal
 Males*27 (49.1)25 (45.5)0.70
 Gestational age (w)33.8 (2.0)34.3 (1.6)0.13
 Birth weight (gr.)2144 (556)2226 (463)0.40
 Small for gestational age*9 (16.4)9 (16.4)1.00
 Complications
  Jaundice*18 (32.7)16 (29.1)0.73
  Feeding*14 (25.5)9 (16.4)0.30
  Esophageal reflux**2 (3.6)1 (1.8)0.56
  Respiratory*12 (21.8)7 (12.7)0.25
  Endocrine and metabolic*12 (21.8)18 (32.7)0.27
 DRG*0.26
  3864 (7.3)4 (7.3)
  38723 (41.8)15 (27.3)
  38828 (50.9)36 (65.4)
Maternal
 Total number of women46510.61
 Single gestation*37 (80.4)47 (92.2)0.28
 Multiple gestation*9 (19.6)4 (7.8)0.17
 Vaginal delivery*11 (23.9)24 (47.1)0.03
 C section*35 (76.1)27 (52.9)0.31
 Cephalic presentation*54 (98.1)53 (96.4)0.92
 Breech presentation**1 (1.9)2 (3.6)0.56
 Pregnancy
  No complications*29 (78.4)38 (80.6)0.27
  Gestational diabetes**4 (10.8)3 (6.5)0.71
  Infections**1 (2.7)2 (4.3)0.56
  Other conditions**0 (0.0)2 (4.3)0.16
  Placenta abruption**1 (2.7)0 (0.0)0.32
  PROM**2 (5.5)2 (4.3)1.00

DRG: diagnosis related groups. Numbers are mean (SD). value from -test. * (%), value from Fisher’s test. Complications were classified according to ICD-9 codes. Pregnancy data were classified according to ICD-9 diagnosis codes. ** (%), value from Fisher’s exact test.