Bayley scale | Follow up visits corresponding to age (months) | NBW | LBW | ||||
---|---|---|---|---|---|---|---|
n | Mean (SD) | Median [IQR] | n | Mean (SD) | Median (IQR) | ||
Gross Motor skills | 6 | 179 | 26.5 (5.3) | 27 [1, 38] | 332 | 24.2 (5.6) | 25 [0, 38] |
12 | 164 | 40 (6.6) | 40 [4, 51] | 312 | 38.6 (6.3) | 39 [2, 52] | |
18 | 143 | 50.2 (5.9) | 52 [8, 57] | 251 | 48 (7.3) | 50 [3, 56] | |
24 | 127 | 54.1 (6.3) | 55 [5, 62] | 218 | 53.4 (4.7) | 55 [17, 61] | |
Fine motor skills | 6 | 179 | 19.9 (3.7) | 21 [5, 27] | 312 | 12.9 (3.6) | 14 [3, 19] |
12 | 164 | 28.8 (4) | 30 [6, 34] | 251 | 17.4 (5) | 17 [5, 28] | |
18 | 143 | 33.5 (4) | 34 [7, 39] | 218 | 24.2 (6.9) | 25 [5, 39] | |
24 | 127 | 36.9 (4.5) | 37 [12, 44] | 312 | 12.9 (3.6) | 14 [3, 19] | |
Cognitive skills | 12 | 164 | 39.6 (7.7) | 41 [5, 56] | 312 | 40.1 (7.3) | 41 [3, 52] |
18 | 143 | 50.9 (8.2) | 53 [10, 63] | 251 | 48.9 (7.8) | 51 [10, 61] | |
24 | 127 | 56.9 (8.6) | 59 [14, 69] | 218 | 55.3 (7.6) | 56.5 [23, 67] | |
Receptive communication skills | 12 | 164 | 13.1 (2.2) | 13 [6, 18] | 312 | 12.8 (2.3) | 13 [3, 17] |
18 | 143 | 18.5 (3.7) | 19 [9, 26] | 251 | 18.5 (3.7) | 19 [6, 26] | |
24 | 127 | 24.2 (4.4) | 25 [6, 31] | 218 | 23.4 (4.5) | 25 [11, 39] | |
Expressive communication skills | 12 | 164 | 12.7 (3.4) | 13 [2, 19] | 312 | 12.9 (3.6) | 14 [3, 19] |
18 | 143 | 18.8 (4.9) | 19 [4, 29] | 251 | 17.4 (5) | 17 [5, 28] | |
24 | 127 | 25.5 (7) | 26 [5, 39] | 218 | 24.2 (6.9) | 25 [5, 39] |