hta_ knee intro.qxp - Ministero della Salute
hta_ knee intro.qxp - Ministero della Salute
hta_ knee intro.qxp - Ministero della Salute
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88<br />
Finally, we increased the sample by 30% taking into account possible exclusion of incorrectly<br />
filled in questionnaires, non responses, and other cases. Table A2.2 shows sampling and population<br />
considered.<br />
Table A2.1: Number of procedures per Italian region and type of procedures (2006).<br />
Region<br />
Absolute value Value<br />
Primary TKR Revision TKR Total<br />
pi<br />
(primary TKR)<br />
qi<br />
(revision TKA)<br />
PIEMONTE 3927 186 4113 0,9548 0,045222<br />
VALLE D'AOSTA 33 4 37 0,8919 0,108108<br />
LOMBARDIA 8915 681 9596 0,9290 0,070967<br />
BOLZANO 518 18 536 0,9664 0,033582<br />
TRENTO 249 1 250 0,9960 0,004<br />
VENETO 4957 238 5195 0,9542 0,045813<br />
FRIULI V. GIULIA 1277 58 1335 0,9566 0,043446<br />
LIGURIA 1343 90 1433 0,9372 0,062805<br />
EMILIA ROMAGNA 5247 384 5631 0,9318 0,068194<br />
TOSCANA 4150 279 4429 0,9370 0,062994<br />
UMBRIA 1220 61 1281 0,9524 0,047619<br />
MARCHE 1470 46 1516 0,9697 0,030343<br />
LAZIO 3676 218 3894 0,9440 0,055984<br />
ABRUZZO 1598 36 1634 0,9780 0,022032<br />
MOLISE 167 1 168 0,9940 0,005952<br />
CAMPANIA 2550 83 2633 0,9685 0,031523<br />
PUGLIA 2704 118 2822 0,9582 0,041814<br />
BASILICATA 334 8 342 0,9766 0,023392<br />
CALABRIA 1028 51 1079 0,9527 0,047266<br />
SICILIA 3271 166 3437 0,9517 0,048298<br />
SARDEGNA 850 28 878 0,9681 0,031891<br />
National 49484 2755 52239 0,9473 0,05
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