Table 3. Otolaryngologist Gender and Level of Productivity (Number of Charges) Provided in Non–Facility-Based Settings in 2017.
| Variable | Total, No. (%) | Payments mean (SD), $ | Mean difference (95% CI), $ | P value | t Statistic | Payments median (IQR), $ | Estimated median difference (95% CI), $ | P value, median | z Score |
|---|---|---|---|---|---|---|---|---|---|
| Group 1 (cutoff of 219 charges) | |||||||||
| All | 967 | 7980 (14 426) | NA | NA | 6610 (2666 to 14 663) | NA | NA | ||
| Women | 221 (22.9) | 7791 (5636) | −245 (−2414 to 1924) | .83 | 0.22 | 7036 (2982 to 11 265) | 643 (−487 to 1773) | .13 | 1.51 |
| Men | 746 (77.1) | 8037 (16 138) | NA | NA | 6388 (2570 to 10 354) | NA | NA | ||
| Group 2 (cutoff of 453 charges) | |||||||||
| All | 963 | 23 684 (13 093) | NA | NA | 21 514 (16 861 to 27 360) | NA | NA | ||
| Women | 197 (20.5) | 23 409 (8208) | −347 (−2400 to 1707) | .74 | 0.33 | 22 667 (17 005 to 27 894) | 1339 (−145 to 2824) | .20 | 1.29 |
| Men | 766 (79.5) | 23 755 (14 080) | NA | NA | 21 318 (16 762 to 27 094) | NA | NA | ||
| Group 3 (cutoff of 697 charges) | |||||||||
| All | 966 | 39 666 (18 573) | NA | NA | 36 517 (30 495 to 44 431) | NA | NA | ||
| Women | 169 (17.5) | 40 413 (16 637) | 906 (−2181 to 3994) | .57 | 0.58 | 38 198 (31 890 to 45 832) | 2039 (104 to 3974) | .04 | 2.01 |
| Men | 797 (82.5) | 39 507 (18 965) | NA | NA | 36 159 (30 143 to 44 230) | NA | NA | ||
| Group 4 (cutoff of 973 charges) | |||||||||
| All | 961 | 57 101 (27 483) | NA | NA | 52 788 (44 028 to 64 597) | NA | NA | ||
| Women | 146 (15.2) | 52 118 (14 511) | −5877 (−10 712 to −1042) | .02 | −2.39 | 50 651 (41 982 to 62 183) | −2267 (−5401 to 863) | .048 | −1.98 |
| Men | 815 (84.8) | 57 995 (29 121) | NA | NA | 53 079 (44 220 to 65 109) | NA | NA | ||
| Group 5 (cutoff of 1334 charges) | |||||||||
| All | 963 | 74 177 (30 324) | NA | NA | 70 828 (56 991 to 84 766) | NA | NA | ||
| Women | 121 (12.6) | 74 298 (27 495) | 138 (−5651 to 5926) | .96 | 0.05 | 75 214 (59 565 to 85 379) | 5017 (121 to 9912) | .23 | 1.21 |
| Men | 842 (87.4) | 74 160 (30 724) | NA | NA | 70 148 (56 815 to 84 731) | NA | NA | ||
| Group 6 (cutoff of 1928 charges) | |||||||||
| All | 965 | 100 996 (60 369) | NA | NA | 92 415 (72 449 to 113 971) | NA | NA | ||
| Women | 108 (11.2) | 92 700 (51 369) | −9342 (−21 431 to 2746 | .13 | −1.52 | 88 151 (65 366 to 108 659) | −3795 (−11 761 to 4170) | .08 | −1.77 |
| Men | 857 (88.8) | 102 042 (61 358) | NA | NA | 92 883 (72 835 to 115 649) | NA | NA | ||
| Group 7 (cutoff of 3265 charges) | |||||||||
| All | 963 | 131 715 (70 527) | NA | NA | 122 811 (85 611 to 162 408) | NA | NA | ||
| Women | 97 (10.1) | 117 979 (74 173) | −15 275 (−30 070 to −480) | .04 | −2.03 | 113 032 (62 834 to 154 432) | −11 630 (−26 314 to 3054) | .008 | −2.67 |
| Men | 866 (89.9) | 133 254 (69 984) | NA | NA | 124 518 (87 470 to 163 137) | NA | NA | ||
| Group 8 (maximum of 40 536 charges) | |||||||||
| All | 963 | 215 039 (156 509) | NA | NA | 172 504 (114 621 to 264 191) | NA | NA | ||
| Women | 72 (7.5) | 193 056 (193 411) | −23 760 (−61380 to 13 860) | .22 | −1.24 | 155 418 (89 405 to 214 101) | −17 584 (−52 898 to 17 728) | .01 | −2.49 |
| Men | 891 (92.5) | 216 816 (153 135) | NA | NA | 174 277 (116 666 to 266 111) | NA | NA | ||
Abbreviations: IQR, interquartile range; NA, not applicable.