August 1, 1961

Dr. L o Joseph Butterfield
Department of Pediatrics
University of Colorado Hedical Center
Denver, Colorado

My dear Doctor 3utterflsldt

I: chortled aloud when I saw the epigram,

                          It is very clever
and certainly ori@nal,
at Eoston Lying-In one day by a secretary, who said '3 didn't know
Apgtir was a person, I thought it was just a thing,"

You might like to hear a greeting I received

In reply to your ipestion about premies and the ticoring

systen, I hare extrwted a feu figures f~m a paper which I hope to
get finished t5fs month,
whom 699 are under 200 grams.
predictive value Df survival for tiny babies under 1000 grams, but
in the other tieight groups, them are highly sic.rLficant differences.

In it om discussed 30,000 babiers, of

You are right that there is no

If the three clinical states are compared (Poor-0,1,2,3;

rair-4,5,6~ Gocd-7,8,9,10) u~ing neonatal death as the criteria
for comparison, %he results &re as followsr

P.

-

d.F.

-

Weight No. of Infants X2

-

5ol-moo gm8.      97      5.15  2 ,067 p > 005
l~l4.500 "       192      32 08   2 p <.ool
l501-2OOo       409      37 .7   2 P <
2001-2500      1724     U8.4   2 P <.Wl

Xf, in the smallest group, group of five and under (all the

ood babies) are ontitted, since chi square is not reliable 5.n group

hat sirre, the results do become significant. X2 = 7.8971,
d.f. - 1, p( .01. Naturally, I belleve the results in a group of
698 inf'ants are nore reliable than in I& inf'anta in Boston,

Dr. L. Jooeph Buttsrfiold
August 1, 1961

Page 2

Stan ~~a6 at Prerrbyterhn Hoepitalhaa qate a bit of

evidonce for a positive corrshtion of emore and rerpiratory
di~trostc).  pkudiaa Dssnoni at Baylor has much information abou%
fib courie of infants of varying LICIOZW.

IIope to see you the next time I am in Denver.