Table 3.
The number of ReNaM records and results of the record linkage, by region. The results of linkage procedures were reported to distinguish between excluded (‘a priori’), non-matched, and matched: (1) Within subjects with more than one equal word in firm’s name, (2) two equal words, (3) one equal word in a string of length equal to one, (4) known firms.
| Region | ReNaM n |
Excluded n (%) |
Matched (By Matching Step) | Matched Total n (%) |
Non-Matched n (%) |
|||
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||||
| n (%) | n (%) | n (%) | n (%) | |||||
| Piedmont | 2490 | 185 (7.43) | 861 (34.58) | 156 (6.27) | 168 (6.75) | 119 (4.78) | 1304 (52.37) | 1001 (40.2) |
| Lombardy | 3965 | 128 (3.23) | 1324 (33.39) | 271 (6.83) | 106 (2.67) | 95 (2.4) | 1796 (45.3) | 2041 (51.48) |
| Emilia-Romagna | 1367 | 167 (12.22) | 452 (33.07) | 71 (5.19) | 106 (7.75) | 3 (0.22) | 632 (46.23) | 568 (41.55) |
| Tuscany | 3465 | 364 (10.51) | 755 (21.79) | 117 (3.38) | 146 (4.21) | 21 (0.61) | 1039 (29.99) | 2062 (59.51) |
| Lazio | 634 | 81 (12.78) | 161 (25.39) | 12 (1.89) | 2 (0.32) | 24 (3.79) | 199 (31.39) | 354 (55.84) |
| Apulia | 440 | 112 (25.45) | 117 (26.59) | 7 (1.59) | 22 (5) | 9 (2.05) | 155 (35.23) | 173 (39.32) |
| Sicily | 440 | 32 (7.27) | 163 (37.05) | 23 (5.23) | 8 (1.82) | 8 (1.82) | 202 (45.91) | 206 (46.82) |
| Total | 12,801 | 1069 (8.35) | 3833 (29.94) | 657 (5.13) | 558 (4.36) | 279 (2.18) | 5327 (41.61) | 6405 (50.04) |