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Table 2 Comparison of the median SATCo segmental levels between the preterm and full-term born infants

From: Segmental Assessment of Trunk Control in infants from 4 to 9 months of age- a psychometric study

   Preterma Full-terma
SATCo at 4 m
N = 17 preterm
N = 20 full-term
Static 5 (1–5) 5 (4–5)
p 0.670
Active 4 (1–5) 4.5 (3–5)
p 0.308
Reactive 4 (1–5) 4 (3–5)
p 0.220
SATCo at 5 m
N = 19 preterm
N = 20 full-term
Static 5 (4–6) 5 (4–6)
p 0.075
Active 5 (3–6) 5 (4–6)
p 0.629
Reactive 5 (3–5) 5 (4–6)
p 0.304
SATCo at 6 m
N = 18 preterm
N = 20 full-term
Static 6 (4–7) 6 (4–7)
p 0.403
Active 6 (5–6) 6 (4–7)
p 0.856
Reactive 5 (4–6) 5 (4–6)
p 0.509
SATCo at 7 m
N = 20 preterm
N = 20 full-term
Static 6 (5–8) 6.5 (5–8)
p 0.467
Active 6 (4–7) 6 (5–8)
p 0.126
Reactive 6 (4–7) 6 (5–7)
p 0.305
SATCo at 8 m
N = 18 preterm
N = 20 full-term
Static 7 (5–8) 8 (6–8)
p 0.058
Active 6.5 (5–8) 7.5 (5–8)
p 0.082
Reactive 5.5 (5–8) 7 (6–8)
p 0.016
SATCo at 9 m
N = 19 preterm
N = 18 full-term
Static 8 (4–8) 8 (7–8)
p 0.091
Active 8 (4–8) 8 (7–8)
p 0.184
Reactive 7 (3–8) 7 (6–8)
p 0.057
  1. Ages corrected for the preterm born infants. Numbers in brackets = range of SATCo scores
  2. aThe numbers represent medians of the SATCo trunk segmental level at which control was being learnt: 1 = head control, 2 = upper thoracic level, 3 = mid-thoracic, 4 = lower thoracic, 5 = upper lumbar, 6 = lower lumber, 7 = full trunk control, and 8 = full trunk control achieved. Please note that the SATCo is an ordinal scale and the learning levels shown in this table were the medians of each group of infants at each month. The non-integral numbers reported in the table were purely for statistical purposes. In real life situations, no half-level would be credited to the infants