Table 1.
Variability in Age and Preceding Cytology by Laboratory Among Women With Cervical Biopsy Specimens Read January 2006 to June 2011
| Previous Cytology (Row Percent)a
|
||||||||
|---|---|---|---|---|---|---|---|---|
| Total | No Cytology Within Previous Year, No. (%) | Normal, No. (%) | ASC-US, No. (%) | LSIL, No. (%) | ASC-H or AGUS, No (%) | HSIL or Worse, No. (%) | Age, y, Mean (SD) | |
| Total | 37,486 | 4,100 (11.0) | 2,160 (5.8) | 10,838 (29.0) | 13,382 (35.8) | 3,949 (10.6) | 2,960 (7.9) | 30.8 (11.8) |
| Laboratory | ||||||||
| A | 673 | 112 (16.6) | 31 (4.6) | 123 (18.3) | 279 (41.5) | 40 (5.9) | 88 (13.1) | 29.4 (10.5) |
| B | 3,733 | 310 (8.3) | 205 (5.5) | 1,025 (27.5) | 1,148 (30.8) | 698 (18.7) | 338 (9.1) | 33.2 (12.8) |
| C | 374 | 90 (24.1) | 24 (6.4) | 105 (28.1) | 111 (29.7) | 22 (5.9) | 22 (5.9) | 28.5 (12.6) |
| D | 5,185 | 508 (9.8) | 242 (4.7) | 1,395 (26.9) | 2,305 (44.5) | 410 (7.9) | 319 (6.2) | 29.7 (11.6) |
| E | 1,680 | 392 (23.5) | 170 (10.2) | 396 (23.7) | 426 (25.5) | 163 (9.8) | 124 (7.4) | 32.9 (11.6) |
| F | 457 | 175 (38.3) | 23 (5.0) | 84 (18.4) | 125 (27.4) | 26 (5.7) | 24 (5.3) | 29.1 (11.4) |
| G | 422 | 51 (12.1) | 16 (3.8) | 87 (20.7) | 199 (47.3) | 31 (7.4) | 37 (8.8) | 30.4 (11.1) |
| H | 794 | 72 (9.1) | 23 (2.9) | 178 (22.4) | 335 (42.2) | 66 (8.3) | 119 (15.0) | 30.1 (13.1) |
| I | 2,948 | 389 (13.2) | 191 (6.5) | 1,029 (35.0) | 849 (28.9) | 274 (9.3) | 210 (7.1) | 32.2 (13.0) |
| J | 308 | 119 (39.5) | 10 (3.3) | 70 (23.3) | 58 (19.3) | 24 (8.0) | 20 (6.6) | 29.2 (11.6) |
| K | 746 | 124 (16.7) | 19 (2.6) | 253 (34.0) | 289 (38.8) | 39 (5.2) | 20 (2.7) | 28.3 (8.0) |
| L | 16,813 | 1,180 (7.0) | 1,017 (6.1) | 5,090 (30.3) | 6,149 (36.6) | 1,888 (11.2) | 1,477 (8.8) | 30.7 (11.7) |
| M | 1,161 | 108 (9.5) | 47 (4.2) | 326 (28.8) | 501 (44.3) | 98 (8.7) | 51 (4.5) | 30.3 (11.5) |
| N | 1,848 | 443 (24.2) | 128 (7.0) | 572 (31.2) | 460 (25.1) | 148 (8.1) | 83 (4.5) | 29.7 (10.2) |
| O | 344 | 27 (7.8) | 14 (4.1) | 105 (30.5) | 148 (43.0) | 22 (6.4) | 28 (8.1) | 28.0 (10.6) |
| P value | <.001 | <.001 | ||||||
AGUS, atypical glandular cells of undetermined significance; ASC-H, atypical squamous cells in which high-grade squamous intraepithelial lesion cannot be excluded; ASC-US, atypical squamous cells of undetermined significance; HSIL, high-grade squamous intraepithelial lesion; LSIL, low-grade squamous intraepithelial lesion.
a
Women with cytology result of no diagnosis given (n = 52) or unsatisfactory specimen (n = 45) are excluded from cytology-stratified results.