Characteristics | Perinatal infants | Mental | Vision | Hearing | Speech | Physical | Intelligence | Multiple | Others | Total |
---|---|---|---|---|---|---|---|---|---|---|
(n,%) | (n,%) | (n,%) | (n,%) | (n,%) | (n,%) | (n,%) | (n,%) | (n,%) | (n,%) | |
Gender | ||||||||||
Male | 34,065 (54.49) | 179 (80.27) | 6 (54.55) | 45 (67.16) | 8 (72.73) | 31 (55.36) | 95 (60.13) | 23 (58.97) | 46 (64.79) | 433 (68.08) |
Female | 28,451 (45.51) | 44 (19.73) | 5 (45.45) | 22 (32.84) | 3 (27.27) | 25 (44.64) | 63 (39.87) | 16 (41.03) | 25 (35.21) | 203 (31.92) |
χ2 | 59.568 | 0.000 | 4.336 | 1.475 | 0.017 | 2.019 | 0.316 | 3.033 | 46.925 | |
P | 0.000 | 0.997 | 0.037 | 0.225 | 0.896 | 0.155 | 0.574 | 0.082 | 0.000 | |
Delivery mode | ||||||||||
Vaginal delivery | 41,792 (66.85) | 63 (42.00) | 1 (25.00) | 22 (57.89) | 6 (75.00) | 17 (43.59) | 54 (48.21) | 13 (48.15) | 41 (61.19) | 217 (48.76) |
Cesarean | 20,724 (33.15) | 87 (58.00) | 3 (75.00) | 16 (42.11) | 2 (25.00) | 22 (56.41) | 58 (51.79) | 14 (51.85) | 26 (38.81) | 228 (51.24) |
χ2 | 41.661 | 1.555 | 1.374 | 0.013 | 9.514 | 17.512 | 4.259 | 0.966 | 65.094 | |
P | 0.000 | 0.212 | 0.3 | 0.909 | 0.003 | 0.000 | 0.043 | 0.363 | 0.000 | |
Birth weight (g) | ||||||||||
<2500 | 3132 (5.01) | 17 (8.63 | 2 (28.57) | 4 (6.45) | 1 (9.09) | 13 (26.00) | 29 (19.21) | 12 (32.43) | 10 (16.13) | 88 (15.25) |
2500- | 56,371 (90.17) | 161 (81.73) | 5 (71.43) | 54 (87.10) | 10 (90.91) | 30 (60.00) | 112 (74.17) | 22 (59.46) | 48 (77.42) | 442 (76.60) |
>4000 | 3013 (4.82) | 19 (9.64) | 0 (0.00) | 4 (6.45) | 0 (0.00) | 7 (14.00) | 10 (6.62) | 3 (8.11) | 4 (6.45) | 47 (8.15) |
χ2 | 15.971 | 5.480 | 0.598 | 0.920 | 33.201 | 65.451 | 29.575 | 11.052 | 141.965 | |
P | 0.000 | 0.085 | 0.742 | 0.681 | 0.000 | 0.000 | 0.000 | 0.004 | 0.000 | |
Gestational age (week) | ||||||||||
<37 | 3670 (5.87) | 12 (6.06) | 2 (28.57) | 3 (4.92) | 2 (18.18) | 16 (32.00) | 21 (14.09) | 14 (37.84) | 9 (14.29) | 79 (13.72) |
≥ 37 | 58,846 (94.13) | 186 (93.94) | 5 (71.43) | 58 (95.08) | 9 (81.82) | 34 (68.00) | 128 (85.91) | 23 (62.16) | 54 (85.71) | 497 (86.28) |
χ2 | 0.013 | 3.064 | 0.002 | 3.016 | 56.901 | 18.135 | 61.533 | 6.606 | 62.844 | |
P | 0.910 | 0.080 | 0.965 | 0.133 | 0.000 | 0.000 | 0.000 | 0.010 | 0.000 | |
Birth defect | ||||||||||
Yes | 1413 (2.26) | 8 (5.59) | 1 (25.00) | 3 (7.69) | 2 (25.00) | 2 (5.13) | 14 (12.50) | 5 (18.52) | 11 (16.42) | 46 (10.29) |
No | 61,103 (97.74) | 143 (94.41) | 3 (75.00) | 36 (92.31) | 6 (75.00) | 37 (94.87) | 98 (87.50) | 22 (81.48) | 56 (83.58) | 401 (89.71) |
χ2 | 4.977 | 9.356 | 5.198 | 18.700 | 1.450 | 48.588 | 32.195 | 60.757 | 130.123 | |
P | 0.012 | 0.087 | 0.058 | 0.013 | 0.220 | 0.000 | 0.000 | 0.000 | 0.000 |