Table 3.
True positive and negative (TP and TN), false positive and negative (FP and FN) and total number of correctly identified patients (TP + TN) of each discrimination index for differential between βTT (n = 537) and IDA (n = 370) in patients with microcytic anemia.
| Discriminant Formula | TP | FP | FN | TN | (TP + TN) | |
|---|---|---|---|---|---|---|
| England and Fraser (E&F) | βTM | 338 | 54 | 199 | 316 | 654 |
| IDA | 316 | 199 | 54 | 338 | ||
| RBC | βTM | 464 | 137 | 73 | 223 | 687 |
| IDA | 223 | 73 | 137 | 464 | ||
| Mentzer | βTM | 478 | 79 | 59 | 291 | 769 |
| IDA | 291 | 59 | 79 | 478 | ||
| Srivastava | βTM | 402 | 71 | 135 | 299 | 701 |
| IDA | 299 | 135 | 71 | 402 | ||
| Shine and Lal (S&L) | βTM | 537 | 305 | 0 | 65 | 842 |
| IDA | 65 | 0 | 305 | 537 | ||
| Bessman | βTM | 34 | 74 | 503 | 296 | 330 |
| IDA | 296 | 503 | 74 | 34 | ||
| Ricerca | βTM | 530 | 344 | 7 | 26 | 556 |
| IDA | 26 | 7 | 344 | 530 | ||
| Green and King (G&K) | βTM | 465 | 79 | 72 | 291 | 756 |
| IDA | 291 | 72 | 79 | 465 | ||
| Das Gupta | βTM | 512 | 236 | 25 | 134 | 646 |
| IDA | 134 | 25 | 236 | 512 | ||
| Jayabose (RDWI) | βTM | 497 | 132 | 40 | 238 | 735 |
| IDA | 238 | 40 | 132 | 497 | ||
| Telmissani – MCHD | βTM | 528 | 357 | 9 | 13 | 541 |
| IDA | 13 | 9 | 357 | 528 | ||
| Telmissani – MDHL | βTM | 303 | 53 | 234 | 317 | 620 |
| IDA | 317 | 234 | 53 | 303 | ||
| Huber – Herklotz | βTM | 121 | 52 | 416 | 318 | 439 |
| IDA | 318 | 416 | 52 | 121 | ||
| Kerman I | βTM | 507 | 141 | 30 | 229 | 736 |
| IDA | 229 | 30 | 141 | 507 | ||
| Kerman II | βTM | 476 | 66 | 61 | 304 | 780 |
| IDA | 304 | 61 | 66 | 476 | ||
| Sirdah | βTM | 431 | 42 | 106 | 328 | 759 |
| IDA | 328 | 106 | 42 | 431 | ||
| Ehsani | βTM | 478 | 69 | 59 | 301 | 779 |
| IDA | 301 | 59 | 69 | 478 | ||
| Keikhaei | βTM | 476 | 101 | 61 | 269 | 745 |
| IDA | 269 | 61 | 101 | 476 | ||
| Nishad | βTM | 458 | 85 | 79 | 285 | 743 |
| IDA | 285 | 79 | 85 | 458 | ||
| Wongprachum | βTM | 472 | 113 | 65 | 257 | 729 |
| IDA | 257 | 65 | 113 | 472 | ||
| Sehgal | βTM | 516 | 131 | 21 | 239 | 755 |
| IDA | 239 | 21 | 131 | 516 | ||
| Pornprasert | βTM | 110 | 237 | 427 | 133 | 243 |
| IDA | 133 | 427 | 237 | 110 | ||
| Sirachainan | βTM | 193 | 93 | 344 | 277 | 470 |
| IDA | 277 | 344 | 93 | 193 | ||
| Bordbar | βTM | 522 | 165 | 15 | 205 | 727 |
| IDA | 205 | 15 | 165 | 522 | ||
| Matos and Carvalho(MC) | βTM | 422 | 76 | 115 | 294 | 716 |
| IDA | 294 | 115 | 76 | 422 | ||
| Janel (11T) | βTM | 423 | 38 | 114 | 332 | 755 |
| IDA | 332 | 114 | 38 | 423 | ||
| CRUISE | βTM | 413 | 102 | 124 | 268 | 682 |
| IDA | 268 | 124 | 102 | 413 | ||
| Index26 | βTM | 424 | 26 | 113 | 344 | 766 |
| IDA | 344 | 113 | 26 | 424 | ||