Table 2 Sex/gender distribution of clinical, psychophysiological and neuropsychological variables in healthy premature adolescents

From: Visual pathways functioning in healthy pre-term adolescents: Sex but not gestational age effect

 

Males

n = 17

Mean (SD)

Females

F = 13

Mean (SD)

T-test†

p-value

IQ

103 (10)

104 (14)

T = −0.312, p = 0.757

GA, weeks

29.5 (2.3)

28 (1.9)

T = 1.941, p = 0.062

Birth weight, grams

1200 (339)

950 (254)

T = 2.155, p = 0.040

Form coherence task

20 (4.08)

23 (4.80)

T = −2.078, p = 0.047

VOSP_Incomplete Letters

19.5 (0.52)

19.4 (0.7)

T = 0.533; p = 0.299

VOSP_Silhouette

18 (4.2)

19.3 (3.4)

T = 0.905, p = 0.374

VOSP_Object decision

16.4 (2.8)

16.8 (1.4)

T = −0.555, p = 0.583

VOSP_Progressive silhouette

10.6 (2.4)

9.3 (2.2)

T = 1.514, p = 0.142

Street_CA

8.2 (1.8)

8.7 (1.2)

T = −0.781, p = 0.442

Street_IA

2.4 (2)

1.9 (1.1)

T = 0.728, p = 0.473

  1. †T-test for independent samples; significant results are considered at p ≤ 0.05, two tailed. SD standard deviation, GA gestational age, CA correct answers, IA, Incorrect answers, IQ, Intelligence Quotient.