Table 1 Summary statistics of participant characteristics (the entire cohort of live births), by country.
From: Economic costs at age five associated with very preterm birth: multinational European cohort study
Belgium | Denmark | Estonia | France | Germany | Italy | Netherlands | Poland | Portugal | UK | Sweden | |
|---|---|---|---|---|---|---|---|---|---|---|---|
Infants (N) | |||||||||||
VPTa | 549 | 210 | 105 | 883 | 492 | 792 | 255 | 199 | 479 | 1229 | 185 |
EPTb | 203 | 141 | 48 | 424 | 266 | 342 | 138 | 117 | 245 | 516 | 82 |
Gestational age, completed weeks, median (IQR) | |||||||||||
VPT | 30 (29–31) | 30 (29–31) | 30 (29–31) | 30 (29–31) | 30 (29–31) | 30 (29–31) | 30 (29–31) | 30 (29–31) | 30 (29–31) | 30 (29–31) | 30 (29–31) |
EPT | 25 (24–27) | 26 (25–27) | 26 (25–27) | 26 (25–27) | 25 (24–27) | 26 (24–27) | 26 (24–26) | 25 (23–26) | 26 (25–27) | 26 (24–27) | 25 (24–27) |
Gestational age, mean (SD) | |||||||||||
VPT | 29.9 (1.1) | 29.7 (1.1) | 29.9 (1.0) | 29.8 (1.1) | 29.8 (1.1) | 29.8 (1.1) | 30.0 (1.0) | 30.0 (1.1) | 29.8 (1.1) | 29.8 (1.1) | 29.6 (1.1) |
EPT | 25.3 (1.4) | 25.6 (1.5) | 25.9 (1.2) | 25.5 (1.4) | 25.2 (1.6) | 25.4 (1.5) | 25.4 (1.4) | 24.8 (1.7) | 25.8 (1.2) | 25.3 (1.4) | 25.0 (1.6) |
Male, N (%) | |||||||||||
VPT | 304 (55.4) | 113 (53.8) | 59 (56.2) | 474 (53.7) | 261 (53.0) | 400 (50.5) | 128 (50.2) | 115 (57.8) | 278 (58.0) | 681 (55.4) | 100 (54.1) |
EPT | 122 (60.1) | 72 (51.1) | 21 (43.8) | 227 (53.5) | 146 (54.9) | 163 (47.7) | 67 (48.6) | 61 (52.1) | 145 (59.2) | 284 (55.0) | 45 (54.9) |
Singleton, N (%) | |||||||||||
VPT | 328 (59.7) | 135 (64.3) | 75 (71.4) | 597 (67.6) | 304 (61.8) | 515 (65.0) | 187 (73.3) | 153 (76.9) | 321 (67.0) | 897 (73.1) | 122 (65.9) |
EPT | 136 (67.0) | 73 (51.8) | 44 (91.7) | 284 (67.0) | 183 (68.8) | 253 (74.0) | 87 (63.0) | 98 (83.8) | 179 (73.1) | 403 (78.1) | 63 (76.8) |
Twins, N (%) | |||||||||||
VPT | 210 (38.3) | 66 (31.4) | 21 (20.0) | 262 (29.7) | 155 (31.5) | 237 (29.9) | 62 (24.3) | 43 (21.6) | 156 (32.6) | 283 (23.1) | 54 (29.2) |
EPT | 61 (30.0) | 59 (41.8) | 4 (8.3) | 130 (30.7) | 67 (25.2) | 71 (20.8) | 39 (28.3) | 19 (16.2) | 59 (24.1) | 110 (21.3) | 16 (19.5) |
Triplets, N (%) | |||||||||||
VPT | 11 (2.0) | 9 (4.3) | 9 (8.6) | 24 (2.7) | 33 (6.7) | 40 (5.1) | 6 (2.4) | 3 (1.5) | 2 (0.4) | 47 (3.8) | 9 (4.9) |
EPT | 6 (3.0) | 9 (6.4) | 0 (0.00) | 10 (2.4) | 16 (6.0) | 18 (5.3) | 12 (8.7) | 0 (0.00) | 7 (2.9) | 3 (0.6) | 3 (3.7) |
Follow-up at 5 years of age, N (%) | |||||||||||
VPT | 210 (38.3) | 100 (47.6) | 96 (91.4) | 590 (66.8) | 201 (40.9) | 520 (65.7) | 80 (31.4) | 137 (68.8) | 320 (66.8) | 310 (25.3) | 102 (55.1) |
EPT | 70 (34.5) | 52 (36.9) | 38 (79.2) | 189 (44.6) | 79 (29.7) | 173 (50.6) | 75 (54.3) | 52 (44.4) | 113 (46.1) | 138 (26.7) | 42 (51.2) |
