As expected, pregnancy rates decreased with age, from 34.0% through 26.5 13.9% for women aged ≤34, 35 39 years and ≥40 years, respectively, and the same trend was seen for delivery rates (26.2, 19.5 and 9.2%, respectively).
An experimental study of this sea lion population 2 years later showed the same trend, with eight times higher DDT concentrations and four times higher PCB concentrations in those females with aborted fetuses than in females with normal term deliveries (Gilmartin et al. 1976).
Fischer et al. [ 9] and Munoz et al. [ 10], investigating anti-saccade task performances between ages 8 70 years and 5 79 years respectively, also noted the same trend in asymmetry.
Re "Is This a Hospital or a Hotel?," by Elisabeth Rosenthal (news analysis, Sunday Review, Sept. 22): I am a registered nurse, and over the last few years I have noted the same trend that Dr. Rosenthal writes about.
Christie's closed its Glasgow saleroom earlier in the year as part of the same trend.But keen salesmen abhor a vacuum.
Mayfield et al. (13) reported 3-year survival results demonstrating the same trend (foot 54%, leg 44%, and thigh 30%); however, neither study reported level specific rates for patients based on presence or severity of renal disease (9, 13).
We repeated the entire experiment for this line twice at two independent periods of the year and could still observe the same trend, although it was less pronounced in the second biological replicate where only the mean male number was significantly different between the wild-type and the mutant line.
I sit down with them four times a year, and we'll find that the same trend has cropped up in about 25 different cities".
When analysing individual age groups, we observed the same trend with 5-year relative survival of 95.6% (86.9 98.6%) in younger patients (0 18 years) but only 74.1% (27.5 94.6%) in the age group 45 59 years.
Developing countries are expected to experience the same trend a few years later.
