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Table 1 General characteristics of the study population

From: Effect of osteopathic manipulative treatment on gastrointestinal function and length of stay of preterm infants: an exploratory study

  Study Group Control Group p value
N 162 (46.3) 188 (53.7)  
Gender    
   Females 81 (50.0) 89 (47.3)  
   Males 81 (50.0) 99 (52.7) 0.70
Gestational Age    
   ≤ 32 39 (24.1) 43 (22.9)  
   > 32, ≤ 35 69 (42.6) 72 (38.3)  
   > 35 54 (33.3) 73 (38.8) 0.56
Weight (grams)    
At Birth    
   ≤ 1700 27 (16.7) 36 (19.2)  
   > 1700, ≤ 2200 62 (38.3) 63 (33.5)  
   > 2200 73 (45.0) 89 (47.3) 0.62
At Admission* 2148 (486.7) 2212 (562.3) 0.25
Oral feeding at admission    
   No 129 (79.6) 129 (68.6)  
   Yes 33 (20.4) 59 (31.4) 0.03
  1. Numbers in Table are N (%), p values from Chi Square test
  2. * = mean, (standard deviation); p value from t test