Table 4 Risk of stillbirth, SGA and Low apgar score (< 4) in different gestational age
Stillbirth | SGA | Low apgar score (< 4) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gestational week | No. With Outcome/Total No. in Group (%) | Compared with infants born at 37 weeks Adjusted OR | Compared with fetus remaining in utero Adjusted OR | No. With Outcome/Total No. in Group (%) | Compared with infants born at 37 weeks Adjusted OR | Compared with fetus remaining in utero Adjusted OR | No. With Outcome/Total No. in Group (%) | Compared with infants born at 37 weeks Adjusted OR | Compared with fetus remaining in utero Adjusted OR | |||
Ongoing Pregnancies | Delivered | Ongoing Pregnancies | Delivered | Ongoing Pregnancies | Delivered | |||||||
28 | 7494/437984 (1.63) | 651/4284 (15.27) | 26.28 [21.89,31.54] | 10.18 [8.67,11.96] | 33,162/430490 (7.65) | 246/3633 (6.74) | 0.81 [0.67,0.96] | 0.72 [0.61,0.86] | 3023/430490 (0.70) | 423/3633 (12.46) | 65.60 [52.76,81.57] | 18.75 [15.92,22.09] |
29 | 6878/432714 (1.52) | 616/5270 (11.67) | 17.12 [14.36,20.41] | 7.14 [6.12,8.32] | 32,828/425836 (7.65) | 334/4654 (7.09) | 0.88 [0.76,1.01] | 0.78 [0.68,0.90] | 2631/425836 (0.62) | 392/4654 (8.72) | 40.68 [32.74,50.54] | 13.23 [11.23,15.59] |
30 | 6240/425331 (1.41) | 638/7383 (8.74) | 11.71 [9.81,13.97] | 5.36 [4.60,6.25] | 32,180/419091 (7.62) | 648/6745 (9.52) | 1.09 [0.98,1.21] | 0.98 [0.88,1.08] | 2281/419091 (0.55) | 350/6745 (5.45) | 24.96 [20.14,30.92] | 9.37 [7.98,11.00] |
31 | 5625/415462 (1.30) | 615/9869 (6.33) | 8.44 [7.13,9.98] | 4.25 [3.68,4.91] | 31,360/409837 (7.60) | 820/9254 (8.86) | 1.05 [0.96,1.15] | 0.94 [0.86,1.02] | 1975/409837 (0.49) | 306/9254 (3.58) | 15.79 [12.63,19.75] | 6.89 [5.79,8.20] |
32 | 4946/401036 (1.19) | 679/14426 (4.70) | 5.90 [5.02,6.92] | 3.26 [2.85,3.73] | 29,951/396090 (7.52) | 1409/13747 (10.13) | 1.23 [1.14,1.33] | 1.10 [1.03,1.19] | 1663/396090 (0.43) | 312/13747 (2.38) | 9.90 [7.95,12.33] | 4.95 [4.18,5.86] |
33 | 4301/380124 (1.09) | 645/20912 (3.15) | 4.21 [3.60,4.92] | 2.57 [2.25,2.93] | 27,999/375823 (7.43) | 1952/20267 (9.43) | 1.19 [1.12,1.27] | 1.08 [1.01,1.14] | 1339/375823 (0.37) | 324/20267 (1.59) | 6.53 [5.26,8.10] | 3.85 [3.26,4.55] |
34 | 3520/345629 (0.99) | 781/34495 (2.26) | 3.12 [2.69,3.62] | 2.13 [1.88,2.41] | 24,830/342109 (7.26) | 3169/33714 (9.26) | 1.25 [1.18,1.32] | 1.15 [1.09,1.21] | 1038/342109 (0.32) | 301/33714 (0.95) | 4.36 [3.52,5.39] | 3.15 [2.66,3.73] |
35 | 2769/294590 (0.91) | 751/51039 (1.46) | 2.14 [1.86,2.46] | 1.61 [1.43,1.82] | 20,638/291821 (7.10) | 4192/50288 (8.29) | 1.18 [1.12,1.23] | 1.10 [1.05,1.15] | 785/291821 (0.29) | 253/50288 (0.54) | 2.27 [1.82,2.84] | 1.87 [1.55,2.25] |
36 | 1945/206486 (0.91) | 824/88104 (0.93) | 1.42 [1.23,1.63] | 1.12 [0.99,1.26] | 14,295/204541 (7.03) | 6343/87280 (7.27) | 1.11 [1.06,1.16] | 1.06 [1.02,1.10] | 522/204541 (0.28) | 263/87280 (0.30) | 1.35 [1.09,1.68] | 1.19 [0.99,1.43] |
37 | 1119/77065 (1.29) | 826/129421(0.64) | ref | 0.62 [0.53,0.71] | 6273/75946 (8.08) | 8022/128595 (6.31) | ref | 0.86 [0.82,0.91] | 284/75946 (0.38) | 238/128595(0.21) | ref | 0.83 [0.65,1.06] |
38 | 547/24813 (1.87) | 572/52252 (0.99) | 1.26 [1.08,1.48] | 0.59 [0.49,0.71] | 2511/24266 (9.59) | 3762/51680 (7.29) | 1.06 [1.01,1.12] | 0.76 [0.71,0.82] | 154/24266 (0.61) | 130/51680 (0.26) | 0.97 [0.75,1.26] | 0.51 [0.38,0.69] |
39 | 197/6899 (2.41) | 350/17914 (1.66) | 1.68 [1.38,2.04] | 0.67 [0.50,0.90] | 742/6702 (10.18) | 1769/17564 (9.35) | 1.33 [1.23,1.43] | 0.91 [0.81,1.03] | 57/6702 (0.87) | 97/17564 (0.50) | 1.49 [1.10,2.02] | 0.55 [0.36,0.84] |
40 | 41/1093 (3.37) | 156/5806 (2.24) | 2.05 [1.56,2.68] | 0.61 [0.36,1.04] | 121/1052 (10.13) | 621/5650 (10.19) | 1.35 [1.20,1.52] | 1.07 [0.80,1.41] | 16/1052 (1.34) | 41/5650 (0.79) | 2.27 [1.49,3.46] | 0.65 [0.30,1.39] |
41 | 41/1093 (3.37) | 3.26 [2.10,5.07] | 121/1052 (10.13) | 1.28 [0.97,1.68] | 16/1052 (1.34) | 3.30 [1.72,6.32] | ||||||