Variables | Year | Total | |||||||||
2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | ||
No of centres | 32 | 34 | 34 | 38 | 38 | 41 | 40 | 41 | 43 | 43 | |
No of neonates | 2910 | 1834 | 3075 | 3270 | 3205 | 3119 | 2835 | 3152 | 2863 | 2747 | 29 010 |
Male sex, n (%) | 1597 (54.9) | 1064 (58.0) | 1678 (54.6) | 1847 (56.5) | 1791 (55.9) | 1697 (54.4) | 1557 (54.9) | 1707 (54.2) | 1591 (55.6) | 1525 (55.5) | 16 051 (55.3) |
Multiplicity, n (%) | |||||||||||
Singletons | 2562 (88.0) | 1552 (84.6) | 2677 (87.1) | 2766 (84.6) | 2744 (85.6) | 2668 (85.5) | 2374 (83.7) | 2699 (85.6) | 2461 (86.0) | 2351 (85.6) | 24 854 (85.7) |
Twins | 329 | 239 | 335 | 452 | 421 | 403 | 409 | 413 | 370 | 363 | 3734 |
Triplets | 19 | 38 | 55 | 41 | 39 | 48 | 44 | 40 | 32 | 33 | 389 |
≥Quadruplet | 0 | 5 | 8 | 11 | 1 | 0 | 8 | 0 | 0 | 0 | 33 |
Ethnic groups, n | |||||||||||
Malays | 1767 | 1171 | 1853 | 1931 | 1913 | 1853 | 1722 | 1960 | 1902 | 1787 | 17 859 |
Chinese | 292 | 191 | 340 | 362 | 333 | 356 | 270 | 321 | 270 | 253 | 2988 |
Indians | 193 | 129 | 163 | 195 | 191 | 193 | 161 | 198 | 154 | 149 | 1726 |
Sarawak natives | 213 | 108 | 210 | 237 | 226 | 217 | 186 | 200 | 159 | 178 | 1934 |
Sabah natives | 199 | 72 | 184 | 218 | 204 | 224 | 226 | 203 | 152 | 146 | 1828 |
Orang Asli | 30 | 20 | 42 | 45 | 36 | 25 | 35 | 33 | 31 | 38 | 335 |
Other Malaysians | 24 | 17 | 32 | 24 | 26 | 23 | 13 | 15 | 22 | 18 | 214 |
Foreigners | 191 | 126 | 246 | 257 | 275 | 227 | 221 | 220 | 173 | 176 | 2112 |
Unknown | 1 | 0 | 5 | 1 | 1 | 1 | 1 | 2 | 0 | 2 | 14 |
Mean bwt, g (±SD) | 1208 (348) | 1124 (234) | 1191 (370) | 1195 (369) | 1195 (369) | 1191 (365) | 1184 (347) | 1217 (362) | 1204 (360) | 1214 (355) | 1195 (359) |
Median gestation, weeks (IQR) | 29 (28–30) | 29 (27–30) | 29 (27–30) | 29 (27–30) | 29 (27–30) | 29 (27–30) | 29 (27–30) | 29 (27–31) | 29 (27–31) | 29 (28–31) | 29 (27–30) |
Gestation groups, n (%) | |||||||||||
22 to <25 weeks | 117 (4.0) | 100 (5.5) | 170 (5.5) | 161 (4.9) | 197 (6.1) | 176 (5.6) | 163 (5.7) | 133 (4.2) | 162 (5.7) | 133 (4.8) | 1512 (5.2) |
25 to <28 weeks | 591 (20.3) | 493 (26.9) | 657 (21.4) | 700 (21.4) | 658 (20.5) | 631 (20.2) | 582 (20.5) | 662 (21.0) | 587 (20.5) | 501 (18.2) | 6062 (20.9) |
28 to <30 wks | 884 (30.4) | 608 (33.2) | 859 (27.9) | 952 (29.1) | 887 (27.7) | 879 (28.2) | 858 (303) | 907 (28.8) | 779 (27.2) | 795 (28.9) | 8408 (29.0) |
30 to <32 wks | 1318 (45.3) | 633 (34.5) | 1389 (45.2) | 1457 (45.6) | 1463 (45.6) | 1433 (45.9) | 1232 (43.5) | 1450 (46.0) | 1335 (46.6) | 1318 (48.0) | 13 028 (44.9) |
Outborns, n (%) | 404 (13.9) | 219 (11.9) | 433 (14.1) | 389 (11.9) | 352 (11.0) | 333 (10.7) | 299 (10.5) | 319 (10.1) | 297 (10.4) | 262 (9.5) | 3307 (11.4) |
bwt, birth weight.