TABLE 4.
Stability of the Jankovic, Schiess, and Kang classification systems from baseline to 1-month follow-up.
| 1-Month follow up |
||||||
| Jankovic classification | Baseline | TD | PIGD | Indeterminate | Stable | Unstable |
| TD, N (Row%) | 22(27.8%) | 12(54.5%) | 6(27.3%) | 4(18.2%) | 12(54.5%) | 10(45.5%) |
| PIGD, N (Row%) | 51(64.6%) | 7(13.7%) | 37(72.5%) | 7(13.7%) | 37(72.5%) | 14(27.5%) |
| Indeterminate, N (Row%) | 6(7.6%) | 6(100.0%) | 0(0.0%) | 0(0.0%) | 0(0.0%) | 6(100.0%) |
| Total, N (Row%) | 79(100.0%) | 25(31.6%) | 43(54.4%) | 11(13.9%) | 49(62.0%) | 30(38.0%) |
| Schiess classification | TDS | ARS | MixedS | |||
| TDS, N (Row%) | 11(13.9%) | 11(100.0%) | 0(0.0%) | 0(0.0%) | 11(100.0%) | 0(0.0%) |
| ARS, N (Row%) | 65(82.3%) | 6(9.2%) | 54(83.1%) | 5(7.7%) | 54(83.1%) | 11(16.9%) |
| MixedS, N (Row%) | 3(3.8%) | 2(66.7%) | 1(33.3%) | 0(0.0%) | 0(0.0%) | 3(100.0%) |
| Total, N (Row%) | 79(100.0%) | 19(24.1%) | 55(69.6%) | 5(6.3%) | 65(82.3%) | 14(17.7%) |
| Kang classification | TDK | ARK | MixedK | |||
| TDK, N (Row%) | 20(25.3%) | 15(75.0%) | 4(20.0%) | 1(5.0%) | 15(75.0%) | 5(25.0%) |
| ARK, N (Row%) | 51(64.6%) | 9(17.6%) | 35(68.6%) | 7(13.7%) | 35(68.6%) | 16(31.4%) |
| MixedK, N (Row%) | 8(10.1%) | 4(50.0%) | 4(50.0%) | 0(0.0%) | 0(0.0%) | 8(100.0%) |
| Total, N (Row%) | 79(100.0%) | 28(35.4%) | 43(54.4%) | 0(0.0%) | 50(63.3%) | 29(36.7%) |
In each cell, the number of patients observed and their proportions in rows are shown. For example, for the Jankovic classification, at baseline 22 (27.8%) patients were classified as TD, 51 (64.6%) patients were classified as PIGD, and 6 (7.6%) patients were classified as indeterminate. At 1-month follow up, 12 (54.5%) of the original TD subtype remained TD and 37 (72.5%) of the original PIGD subtype remained PIGD. Therefore, the motor subtypes of 49 (62.0%) patients with PD remained stable in the Jankovic classification from baseline to 1-month follow-up. TD, tremor-dominant; PIGD, postural instability and gait difficulty; AR: akinetic-rigid.