Table 4 Positive predictive value (PPV) of incidence measures of schizophrenia by duration of observation prior to the index schizophrenia diagnosis in Medicaid and MarketScan populations (2019 10 years continuously insured).
Duration of Observation Prior to First Schizophrenia Diagnosis | Positive Predictive Value in Medicaid | Positive Predictive Value in MarketScan | ||||||
|---|---|---|---|---|---|---|---|---|
TP, Test P. [95% CI] | ||||||||
Total (All Ages) | Male (All Ages) | Female (All Ages) | ≤35 years | Total (All Ages) | Male (All Ages) | Female (All Ages) | ≤35 years | |
1 year | 30% 4931, 1489 [29,31] | 29% 2264, 650 [27,31] | 31% 2667, 839 [30,33] | 51% 958, 493 [48,55] | 81% 874,712 [79,84] | 79% 356,282 [75,83] | 83% 518,430 [79,86] | 79% 226,179 [73,84] |
2 years | 47% 3158, 1489 [45,49] | 45% 1435, 650 [43,48] | 49% 1723, 839 [46,51] | 68% 723, 493 [65,72] | 94% 755,712 [92,96] | 93% 303,282 [90,96] | 95% 452,430 [93,97] | 95% 189,179 [90,97] |
3 years | 57% 2593, 1489 [55,59] | 56% 1160, 650 [53,59] | 59% 1433, 839 [56,61] | 77% 637, 493 [74,81] | 96% 739,712 [95,98] | 95% 297,282 [92,97] | 97% 442,430 [95,99] | 96% 186,179 [92,98] |
4 years | 67% 2211, 1489 [65,69] | 66% 984, 650 [63,69] | 68% 1227, 839 [66,71] | 84% 584, 493 [81,87] | 98% 726,712 [97,99] | 98% 289,282 [95,99] | 98% 437,430 [97,99] | 98% 183,179 [94,99] |
5 years | 75% 1978, 1489 [73,77] | 73% 887, 650 [70,76] | 77% 1091, 839 [74,79] | 89% 552, 493 [86,92] | 99% 722,712 [97,99] | 98% 287,282 [96,99] | 99% 435,430 [97,100] | 98% 182,179 [95,100] |
6 years | 81% 1846, 1489 [79,82] | 79% 819, 650 [76,82] | 82% 1027, 839 [79,84] | 92% 535, 493 [90,94] | 99% 719,712 [98,100] | 99% 285,282 [97,100] | 99% 434,430 [98,100] | 99% 181,179 [96,100] |
7 years | 87% 1721, 1489 [85,88] | 86% 757, 650 [83,88] | 87% 964, 839 [85,89] | 96% 516, 493 [93,97] | 100% 715,712 [99,100] | 100% 283,282 [98,100] | 100% 432,430 [98,100] | 99% 180,179 [97,100] |
8 years | 91% 1639, 1489 [89,92] | 91% 715, 650 [89,93] | 91% 924, 839 [89,93] | 97% 506, 493 [96,99] | 100% 713,712 [99,100] | 100% 282,282 [98.7,100] | 100% 431,430 [99,100] | 100% 179,179 [97.96,100] |
9 years | 95% 1561, 1489 [94,96] | 96% 678, 650 [94,97] | 95% 883, 839 [93,96] | 99% 500, 493 [97,99] | 100% 713,712 [99,100] | 100% 282,282 [98.7,100] | 100% 431,430 [99,100] | 100% 179,179 [97.96,100] |
