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. 2019 Mar 13;16(3):e1002763. doi: 10.1371/journal.pmed.1002763

Table 3. Characteristics of patients included in the evaluation of comparative outcomes for generic or authorized generic (AG) versus brand initiators after 1:1 propensity score matching in each database.

Characteristic Optum MarketScan
Generic versus brand-name AG versus brand-name Generic versus brand-name AG versus brand-name
Generic initiators Brand-name initiators AG initiators Brand-name initiators Generic initiators Brand-name initiators AG initiators Brand-name initiators
Alendronate
Number of patients 26,421 26,421 2,428 2,428 112,820 112,820 11,958 11,958
Age: mean (SD) 59 (10) 59 (10) 60 (10) 60 (10) 64.01 (12) 64.25 (12) 63.48 (12) 63.22 (12)
Male sex: n (%) 2,525 (9.6%) 2,535 (9.6%) 217 (8.9%) 223 (9.2%) 12,369 (11.0%) 12,545 (11.1%) 1,234 (10.3%) 1,253 (10.5%)
Osteoporosis: n (%) 10,342 (39.1%) 10,229 (38.7%) 972 (40.0%) 951 (39.2%) 30,753 (27.3%) 30,929 (27.4%) 3,465 (29.0%) 3,417 (28.6%)
Amlodipine
Number of patients 69,478 69,478 25,259 25,259 32,740 32,740 32,740 32,740
Age: mean (SD) 54 (13) 54 (13) 56 (13) 56 (12) 60.60 (15) 60.64 (15) 60.37 (15) 60.64 (15)
Male sex: n (%) 36,359 (52.3%) 36,178 (52.1%) 13,732 (54.4%) 13,754 (54.5%) 14,510 (44.3%) 14,896 (45.5%) 14,816 (45.3%) 14,896 (45.5%)
Hypertension: n (%) 51,437 (74.0%) 51,891 (74.7%) 19,303 (76.4%) 19,223 (76.1%) 19,678 (60.1%) 19,530 (59.7%) 19,477 (59.5%) 19,530 (59.7%)
Amlodipine-benazepril
Number of patients 14,704 14,704 5,992 5,992 53,495 53,495 23,158 23,158
Age: mean (SD) 52 (12) 52 (11) 54 (12) 53 (11) 54.65 (13) 54.65 (13) 54.88 (12) 54.65 (13)
Male sex: n (%) 8,670 (59.0%) 8,758 (59.6%) 3,408 (56.9%) 3,491 (58.3%) 29,835 (55.8%) 30,014 (56.1%) 12,988 (56.1%) 13,250 (57.2%)
Hypertension: n (%) 10,543 (71.7%) 10,453 (71.1%) 4,280 (71.4%) 4,131 (68.9%) 31,951 (59.7%) 31,660 (59.2%) 13,840 (59.8%) 13,584 (58.7%)
Calcitonin salmon
Number of patients 944 944 636 636 6,306 6,306 3,422 3,422
Age: mean (SD) 62 (12) 62 (12) 59 (13) 60 (13) 68.37 (14) 68.42 (14) 66.23 (15) 65.77 (15)
Male sex: n (%) 142 (15.0%) 145 (15.4%) 102 (16.0%) 96 (15.1%) 848 (13.4%) 847 (13.4%) 518 (15.1%) 537 (15.7%)
Osteoporosis: n (%) 437 (46.3%) 440 (46.6%) 272 (42.8%) 262 (41.2%) 2,227 (35.3%) 2,165 (34.3%) 1,189 (34.7%) 1,196 (35.0%)
Escitalopram
Number of patients 53,711 53,711 25,540 25,540 297,843 297,843 103,016 103,016
Age: mean (SD) 39 (15) 39 (15) 39 (15) 39 (15) 42.58 (17) 42.46 (17) 42.61 (18) 42.20 (17)
Male sex: n (%) 17,870 (33.3%) 17,982 (33.5%) 8,790 (34.4%) 8,725 (34.2%) 94,821 (31.8%) 94,674 (31.8%) 32,963 (32.0%) 32,891 (31.9%)
Depression: n (%) 5,349 (10.0%) 5,160 (9.6%) 2,593 (10.2%) 2,556 (10.0%) 31,146 (10.5%) 30,921 (10.4%) 10,401 (10.1%) 9,875 (9.6%)
Anxiety: n (%) 5,657 (10.5%) 5,383 (10.0%) 2,666 (10.4%) 2,436 (9.5%) 26,017 (8.7%) 26,425 (8.9%) 8,883 (8.6%) 8,420 (8.2%)
Glipizide
Number of patients 997 997 825 825 2,388 2,388 2,246 2,246
Age: mean (SD) 58 (13) 58 (13) 58 (11) 58 (12) 60.98 (14) 61.67 (13) 61.66 (13) 61.79 (13)
Male sex: n (%) 539 (54.1%) 506 (50.8%) 452 (54.8%) 440 (53.3%) 1,223 (51.2%) 1,203 (50.4%) 1,124 (50.0%) 1,134 (50.5%)
Diabetes mellitus: n (%) 695 (69.7%) 722 (72.4%) 596 (72.2%) 605 (73.3%) 1,539 (64.4%) 1,546 (64.7%) 1,488 (66.3%) 1,495 (66.6%)
Quinapril
Number of patients 4,480 4,480 3,684 3,684 8,049 8,049 9,262 9,262
Age: mean (SD) 53 (12) 53 (13) 54 (12) 54 (12) 56.58 (14) 56.55 (14) 58.48 (14) 58.47 (14)
Male sex: n (%) 2,579 (57.6%) 2,599 (58.0%) 2,121 (57.6%) 2,138 (58.0%) 4,163 (51.7%) 4,189 (52.0%) 5,006 (54.0%) 5,039 (54.4%)
Hypertension: n (%) 2,694 (60.1%) 2,653 (59.2%) 2,256 (61.2%) 2,242 (60.9%) 3,577 (44.4%) 3,481 (43.2%) 4,218 (45.5%) 4,160 (44.9%)
Sertraline
Number of patients 54,493 54,493 55,674 55,674 132,986 132,986 132,056 132,056
Age: mean (SD) 40 (15) 39 (15) 39 (15) 38 (15) 43.82 (18) 43.71 (18) 42.45 (17) 42.43 (18)
Male sex: n (%) 17,110 (31.4%) 16,884 (31.0%) 17,472 (31.4%) 17,303 (31.1%) 41,625 (31.3%) 41,141 (30.9%) 41,584 (31.5%) 41,392 (31.3%)
Depression: n (%) 4,985 (9.1%) 4,685 (8.6%) 5,278 (9.5%) 4,887 (8.8%) 9,312 (7.0%) 8,656 (6.5%) 9,919 (7.5%) 9,364 (7.1%)
Anxiety: n (%) 4,025 (7.4%) 3,833 (7.0%) 4,323 (7.8%) 3,896 (7.0%) 6,101 (4.6%) 5,761 (4.3%) 6,660 (5.0%) 6,160 (4.7%)