Table 4.
Mortality and morbidity by healthcare region and gestational age groups
| Region | p-Value | |||||||
|---|---|---|---|---|---|---|---|---|
| Stockholm | Uppsala | Linköping | Lund | Göteborg | Örebro | Umeå | ||
| n/N (%) | n/N (%) | n/N (%) | n/N (%) | n/N (%) | n/N (%) | n/N (%) | ||
| Foetus alive at mother's admission for delivery (n = 844) | ||||||||
| Stillbirth | ||||||||
| 22–24 weeks | 30/110 (27) | 4 /57 (7.0) | 9/33 (27) | 22/72 (30) | 29/78 (37) | 4/15 (27) | 10/39 (26) | <0.001 |
| 25–26 weeks | 6/103 (5.8) | 8/90 (8.8) | 1/36 (2.7) | 3/70 (4.3) | 6/83 (3.6) | 1/11 (9) | 4/47 (8.5) | 0.81 |
| 22–26 weeks | 36/213 (17) | 12/147 (8.2) | 10/69 (15) | 25/142 (18) | 35/161 (22) | 5/26 (19) | 14/86 (16) | 0.06 |
| Perinatal death | ||||||||
| 22–24 weeks | 70/110 (64) | 12/57 (21) | 23/33 (70) | 38/72 (53) | 49/78 (63) | 10/15 (67) | 16/39 (41) | <0.001 |
| 25–26 weeks | 14/103 (14) | 20/90 (22) | 6/36 (17) | 9/70 (13) | 13/83 (16) | 2/11 (18) | 7/47 (15) | 0.74 |
| 22–26 weeks | 84/213 (39) | 32/147 (22) | 29/69 (42) | 47/142 (33) | 62/161 (39) | 12/26 (46) | 23/86 (27) | <0.01 |
| Died before 365 days | ||||||||
| 22–24 weeks | 78/110 (71) | 22/57 (43) | 25/33 (75) | 41/72 (60) | 54/78 (69) | 11/15 (73) | 19/39 (49) | <0.001 |
| 25–26 weeks | 21/103 (20) | 24/90 (27) | 9/36 (25) | 16/70 (23) | 16/83 (19) | 3/11 (27) | 8/47 (17) | 0.84 |
| 22–26 weeks | 99/213 (46) | 46/147 (31) | 34/69 (49) | 57/142 (40) | 70/161 (43) | 14/26 (54) | 27/86 (31) | 0.12 |
| Infant born alive (n = 707) | ||||||||
| Died before 12 h | ||||||||
| 22–24 weeks | 37/80 (46) | 6/53 (11) | 11/24 (46) | 11/50 (22) | 16/49 (33) | 4/11 (36) | 5/29 (17) | <0.001 |
| 25–26 weeks | 3/97 (3.1) | 3/82 (3.7) | 2/35 (5.7) | 2/67 (3.0) | 3/77 (3.9) | 1/10 (10) | 2/43 (4.7) | 0.60 |
| 22–26 weeks | 40/177 (23) | 9/135 (6.7) | 13/59 (22) | 13/117 (11) | 19/126 (15) | 5/21 (24) | 7/72 (9.7) | <0.01 |
| Died before 365 days | ||||||||
| 22–24 weeks | 48/80 (60) | 18/53 (34) | 16/24 (67) | 19/50 (38) | 25/49 (51) | 7/11 (64) | 9/29 (31) | <0.001 |
| 25–26 weeks | 15/97 (15) | 16/82 (20) | 8/35 (23) | 13/67 (19) | 10/77 (13) | 2/10 (20) | 4/43 (9.3) | 0.60 |
| 22–26 weeks | 63/177 (36) | 34/135 (25) | 24/59 (41) | 32/117 (27) | 35/126 (28) | 9/21 (43) | 13/72 (18) | 0.02 |
| Infant alive at 12 h (n = 608) | ||||||||
| Died before 365 days | ||||||||
| 22–24 weeks | 11/43 (26) | 14/49 (29) | 5/13 (38) | 11/42 (26) | 9/33 (27) | 3/7 (43) | 5/25 (20) | 0.88 |
| 25–26 weeks | 12/94 (13) | 13/79 (16) | 7/34 (21) | 11/65 (17) | 7/74 (9.4) | 1/9 (11) | 2/41 (4.8) | 0.32 |
| 22–26 weeks | 23/137 (17) | 27/128 (21) | 12/47 (26) | 22/107 (21) | 16/107 (15) | 4/16 (25) | 7/66 (11) | 0.32 |
| Infant alive at 365 days (n = 497) | ||||||||
| Major neonatal morbidity* | ||||||||
| 22–24 weeks | 26/32 (81) | 27/35 (77) | 7/8 (88) | 22/31 (71) | 19/24 (79) | 2/4 (50) | 11/20 (55) | 0.33 |
| 25–26 weeks | 38/82 (46) | 27/66 (41) | 13/27 (48) | 26/54 (48) | 32/67 (48) | 3/8 (38) | 18/39 (46) | 0.98 |
| 22–26 weeks | 64/114 (56) | 54/101 (50) | 20/35 (57) | 48/85 (56) | 51/91 (56) | 5/12 (42) | 29/59 (49) | 0.92 |