Please follow along carefully. I'll type slowly
AND USE BIG LETTERS TO HELP YOU OUT.
IF THERE ARE 10,000 ANNUAL DEATHS OF WHICH 100 ARE FROM "CAUSE A" DURING "YEAR 1";
AND IF THERE ARE 9,000 ANNUAL DEATHS OF WHICH 8,900 ARE FROM "CAUSE A" DURING "YEAR 2";
THEN THERE IS NO "SPIKE" IN ANNUAL DEATHS
BUT THERE IS A "SPIKE" IN DEATHS FROM "CAUSE A".
To help you out, I'll do that again
IF THERE ARE 10,000 ANNUAL DEATHS OF WHICH 100 ARE FROM "CAUSE A" DURING "YEAR 1";
AND IF THERE ARE 9,000 ANNUAL DEATHS OF WHICH 8,900 ARE FROM "CAUSE A" DURING "YEAR 2";
THEN THERE IS NO "SPIKE" IN ANNUAL DEATHS
BUT THERE IS A "SPIKE" IN DEATHS FROM "CAUSE A".
To help you out, I'll do that again
IF THERE ARE 10,000 ANNUAL DEATHS OF WHICH 100 ARE FROM "CAUSE A" DURING "YEAR 1";
AND IF THERE ARE 9,000 ANNUAL DEATHS OF WHICH 8,900 ARE FROM "CAUSE A" DURING "YEAR 2";
THEN THERE IS NO "SPIKE" IN ANNUAL DEATHS
BUT THERE IS A "SPIKE" IN DEATHS FROM "CAUSE A".
To help you out, I'll do that again
IF THERE ARE 10,000 ANNUAL DEATHS OF WHICH 100 ARE FROM "CAUSE A" DURING "YEAR 1";
AND IF THERE ARE 9,000 ANNUAL DEATHS OF WHICH 8,900 ARE FROM "CAUSE A" DURING "YEAR 2";
THEN THERE IS NO "SPIKE" IN ANNUAL DEATHS
BUT THERE IS A "SPIKE" IN DEATHS FROM "CAUSE A".
To help you out, I'll do that again
IF THERE ARE 10,000 ANNUAL DEATHS OF WHICH 100 ARE FROM "CAUSE A" DURING "YEAR 1";
AND IF THERE ARE 9,000 ANNUAL DEATHS OF WHICH 8,900 ARE FROM "CAUSE A" DURING "YEAR 2";
THEN THERE IS NO "SPIKE" IN ANNUAL DEATHS
BUT THERE IS A "SPIKE" IN DEATHS FROM "CAUSE A".
To help you out, I'll ...
If that isn't good enough, then possibly you should do some more research
HERE (where your prior research appears to originate).