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. 2023 Oct 16;13:38. doi: 10.5334/tohm.798

Table 1.

Baseline sociodemographic and clinical characteristics of the mITT population.


CHARACTERISTICS TOTAL TX SOC p VALUE

(N = 276) (N = 133) (N = 143) TX VS SOC

Sociodemographic characteristics

Age (years), Mean (SD) 68.21 (11.09) 67.77 (11.71) 68.61 (10.51) 0.21

Age Group (years), N (%) 0.62

    22–44 11 (3.99) 7 (5.26) 4 (2.80)

    45–64 60 (21.74) 31 (23.31) 29 (20.28)

    65–74 124 (44.93) 56 (42.11) 68 (47.55)

    ≥75 81 (29.35) 39 (29.32) 42 (29.37)

Gender, N (%) 0.31

    Male 183 (66.30) 84 (63.16) 99 (69.23)

    Female 93 (33.70) 49 (36.84) 44 (30.77)

Race, N (%) 0.31

    Black 5 (1.81) 1 (0.75) 4 (2.80)

    White 233 (84.42) 115 (86.47) 118 (82.52)

    Hispanic 3 (1.09) 1 (0.75) 2 (1.40)

    Asian 3 (1.09) 3 (2.26) 0

    More than one race 3 (1.09) 2 (1.50) 1 (0.70)

    Other 4 (1.45) 1 (0.75) 3 (2.10)

    Unknown 25 (9.06) 10 (7.52) 15 (10.49)

Payers, N (%) 0.37

    Commercial insurance 88 (31.88) 46 (34.59) 42 (29.37)

    Medicare Advantage 188 (68.12) 87 (65.41) 101 (70.63)

Clinical characteristics

Comorbidities

Charlson Comorbidity Index (CCI), Mean (SD) 2.23 (2.50) 2.06 (2.54) 2.38 (2.46) 0.73

Age-adjusted CCI, Mean (SD) 4.78 (2.94) 4.58 (3.00) 4.96 (2.87) 0.62

Number of comorbidities 0.99

    Mean (SD) 7.20 (3.48) 7.26 (3.56) 7.15 (3.42)

    Median (IQR) 7 (5–9) 7 (4–9) 7 (5–9)

Psychiatric conditions, N (%)

    Anxiety 87 (31.52) 40 (30.08) 47 (32.87) 0.62

    Depression 69 (25.00) 34 (25.56) 35 (24.48) 0.83

    Substance use disorders 28 (10.14) 11 (8.27) 17 (11.89) 0.32

    Stress and adjustment disorders 20 (7.25) 9 (6.77) 11 (7.69) 0.77

Medication use, N (%)

ET medications

    Primidone 74 (26.81) 41 (30.83) 33 (23.08) 0.15

    Propranolol 58 (21.01) 22 (16.54) 36 (25.17) 0.10

    Topiramate 23 (8.33) 10 (7.52) 13 (9.09) 0.64

    Gabapentin 41 (14.86) 20 (15.04) 21 (14.69) 0.93

    Other beta blockers 143 (51.81) 73 (54.89) 70 (48.93) 0.32

    Other benzodiazepines 15 (5.43) 10 (7.52) 5 (3.50) 0.19

    Alprazolam 21 (7.61) 12 (9.02) 9 (6.29) 0.50

    Clonazepam 12 (4.35) 5 (3.76) 7 (4.90) 0.77

    Any ET related medication 193 (69.93) 96 (72.18) 97 (67.83) 0.43

Number of ET-related Medications 0.28

    None 83 (30.07) 37 (27.82) 46 (32.17)

    1 61 (22.10) 26 (19.55) 35 (24.48)

    2 83 (30.07) 47 (35.34) 36 (25.17)

    3 39 (14.13) 20 (15.04) 19 (13.29)

    ≥4 10 (3.62) 3 (2.26) 7 (4.90)

Tremor Characteristics

Baseline BF-ADL severity*, N (%)

    BF-ADL severity ≥2 262 (94.93) 128 (96.24) 134 (93.71) 0.41

    BF-ADL severity ≥3 224 (81.20) 112 (84.21) 112 (78.32) 0.22

    BF-ADL severity = 4 75 (27.17) 34 (25.56) 41 (28.67) 0.59

* BF-ADL tasks associated with eating, drinking, or writing (i.e., use a spoon to drink soup; hold a cup of tea; pour milk from a bottle; write a letter). Patients were classified as having at least one of these 4 BF-ADL tasks with a score of ≥2, ≥3, or = 4.

** See Supplementary Materials (Table S1) for additional sociodemographic and clinical characteristics.