http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
우리나라 쌍태아의 성별, 출생순위별 출생체중 불일치 수준에 관한 연구 2008-2013
박상화 ( Sang Hwa Park ),신재준 ( Jae Jun Shin ),김훈 ( Hoon Kim ),임달오 ( Dar Oh Lim ) 대한주산의학회 2015 Perinatology Vol.26 No.3
Purpose: To investigate the incidence of intra-twin birth weight discordance and its association with infantile gender and birth order. Methods: We used the data of birth from 2008 to 2013 of Korea Statistics (38,140 pairs of twins). Adjusted logistic regression analyses were performed to describe the birth weight discordance (≥25%) according to infantile gender and birth order (twin A: 1st, twin B: 2nd). Birth weight discordance was calculated as 100 x (birth weight difference/birth weight of the heavier twin). Results: Twin A (mean 2.431 kg) was heavier than twin B (mean 2.359 kg), and the weight difference was 0.281 kg on average. Overall incidence of birth weight discordance was 8.3 percent. The incidence of discordance was 8.8 percent among unlike-sexed pairs and 8.0 percent among like-sexed pairs. Twins with birth weight A≥B (10.2 percent) showed higher incidence of discordance than twins with birth weight A<B (5.4 percent), with an odds ratio (OR) of 1.870 (95% confidence interval (CI): 1.7192.034). Unlikesexed twins were associated with higher probability of discordance compared to likesexed twins (OR 1.456, 95% CI: 13.101.619). Odds ratio of discordance was 2.918 (2.5023.403) in unlikesexed twins (malefemale) with birth weight (A≥B) as compared to like-sexed twins (female-female) with birth weight (A<B). Conclusion: Birth weight discordance was associated with unlike-sexed twin pairs and difference of inter-twin birth weight by birth order. However, close attention should be paid to the discordance of twin body weight to reduce the risk of adverse outcome.
우리나라 여성의 여성의 연령별 다태아 출생율 추이: 1998, 2010
박상화 ( Sang Hwa Park ),김종석 ( Jong Seok Kim ),임달오 ( Dar Oh Lim ) 서울대학교 인구의학연구소 2012 人口醫學硏究論集 Vol.25 No.-
To figure out the trends of multiple birth rate and to estimate the age specific multiple birth rate, we analyzed population based data (birth certificated data of Korea National Statistical Office) of 633,205 births in 1998 and 469,348 births in 2010 among women giving birth aged 15-49 years. Between 1998 and 2010, multiple birch rate among women aged 15-49 years increased from 1.5 percent to 2.7 percent. In age distribution of women giving birch, women aged 30 and over in 1998 accounted for about 29 percent of all births (singletons & twins/+), and 64 percent in 2010. If age distribution of women giving birth had not changed (the age distribution of birth in 2010 was similar to that in 1998), the age adjusted multiple birth rate would be only 2.3 percent (14.8 percent lower). Multiple birth rates have risen with advancing maternal age, peaking at 35-39 years (2.5 percent in 1998, and 3.8 percent in 2010) and declining thereafter. Multiple birth rates increased for women of all ages (15-49 years) during 1998-2010, with the largest increases among women aged 30-34 (odds ratio: 1.60). The rates increased 1.56 (OR) for women aged 30-34, followed by women aged 35-39 (OR: 1.52), aged 40-49 (OR: 1.47), and aged 15-24 (OR: 1.22).
박상화 ( Sang Hwa Park ) 대한보건협회 2013 대한보건연구 Vol.39 No.2
Objectives: The objective of this study was to analyze the trends of child birth in women aged 40 years and older(1981-2011), and investigated the risk of preterm birth(≤36 weeks : PB), late preterm birth(34-36 weeks : LPB) and low birth weight(≤2.4kg : LBW) by analyzing 2010-2011 singleton birth certificated data(912,480 births) from Statistics Korea. Methods: Odds ratio and 95% confidence intervals were calculated from multivariate logistic regression analyses to describe the association between PB, LPB & LBW and maternal aged 40 years and older. Results: The birth rate of women aged 40 years and older in total births was 2.1 percent in 2010-2011(odds ratio : 2.66), as compared with the rate of birth in women aged 40 years and older in 1981-1984(0.8 percent). The incidence of PB, LPB and LBW was 4.6 percent, 3.6 percent and 3.7 percent, respectively. ‘-shaped’ percent distribution of PB, LPB and LBW were observed in terms of maternal age at birth, with that of ≤29 years old group being the lowest. Compared to women aged ≤29 years old, women giving birth age at 40-44 years were at increased risk for PB(odds ratio : 1.95, 95% CI : 1.84-2.16), LPB(1.79, 95% CI : 1.68-1.91) and LBW(2.14, 95% CI : 2.01-2.28). Women aged 45 years and older were at increased risk of PB(2.18, 1.75-2.71), LPB(1.85, 1.42-2.41) and LBW(2.97, 2.38-3.70). Conclusion: Advanced maternal age was associated with a range of adversed pregnancy outcomes(PB, LPB and LBW).