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. 2017 Nov 22;144(1):71–79. doi: 10.1001/jamaoto.2017.2235

Table 2. Neurocognitive Function Mean (SD) z Scores for Patients and Controls at Each Time Pointa.

Neurocognitive Domain Baseline 6 Months 12 Months 24 Months
P (SD) C (SD) d (CI) P (SD) C (SD) d (CI) P (SD) C (SD) d (CI) P (SD) C (SD) d (CI)
Intellectual capacity 0.55 (0.80) 0.19 (0.80) 0.45
(0.31 to 0.60)
0.45 (0.79) 0.39 (0.74) 0.08
(−0.06 to 0.22)
0.53 (0.74) 0.57 (0.71) −0.06
(−0.19 to 0.08)
0.40 (0.89) 0.58 (0.69) −0.22
(−0.38 to −0.06)
Concentration/short-term attention span −0.30 (0.62) −0.41 (0.56) 0.19
(0.08 to 0.29)
−0.28 (0.71) 0.36 (0.58) −0.96
(−1.09 to −0.84)
−0.26 (0.62) −0.24 (0.66) −0.03
(−0.15 to 0.09)
−0.35 (0.77) −0.20 (0.69) −0.20
(−0.35 to −0.06)
Verbal memory −1.03 (1.27) −1.04 (1.08) 0.01
(−0.21 to 0.22)
−1.01 (1.25) −0.76 (1.08) −0.21
(−0.43 to 0.01)
−1.08 (1.26) −0.59 (0.84) −0.44
(−0.65 to −0.22)
−1.08 (1.27) −0.46 (0.94) −0.54
(−0.77 to −0.31)
Visual memory −0.96 (1.02) −1.02 (1.05) 0.06
(−0.12 to 0.24)
−0.76 (0.92) −0.96 (0.97) 0.21
(0.05 to 0.39)
−0.44 (1.22) −0.46 (1.08) 0.02
(−0.21 to 0.24)
−0.66 (1.11) −0.34 (1.01) −0.30
(−0.51 to −0.09)
Processing speed 0.07 (0.77) 0.08 (0.82) −0.01
(−0.15 to 0.13)
0.13 (0.83) 0.12 (0.82) 0.01
(−0.14 to 0.16)
0.13 (0.86) 0.19 (0.81) −0.07
(−0.23 to 0.09)
0.17 (0.88) 0.25 (0.83) −0.09
(−0.26 to 0.08)
Executive function 0.09 (0.81) 0.01 (0.82) 0.10
(−0.05 to 0.24)
0.14 (0.73) 0.03 (0.84) 0.15
(0.01 to 0.28)
0.15 (0.78) 0.16 (0.80) −0.01
(−0.16 to 0.14)
0.08 (0.81) 0.15 (0.78) −0.09
(−0.25 to 0.07)
Motor dexterity −0.75 (0.85) −0.53 (0.89) −0.26
(−0.41 to −0.10)
−0.69 (0.96) −0.32 (0.95) −0.39
(−0.56 to −0.22)
−0.64 (0.97) −0.22 (0.95) −0.44
(−0.62 to −0.26)
−0.68 (1.03) −0.18 (0.90) −0.51
(−0.71 to −0.32)
Global cognitive function composite score −0.33 (0.63) −0.39 (0.52) 0.10
(−0.00 to 0.21)
−0.29 (0.59) −0.27 (0.53) −0.04
(−0.14 to 0.07)
−0.23 (0.63) −0.08 (0.52) −0.25
(−0.37 to −0.14)
−0.31 (0.70) −0.03 (0.54) −0.44
(−0.56 to −0.31)

Abbreviations: C, control group; OR, odds ratio; P, patients; UND, undefined; d, Cohen d effect size.

a

A significant neurocognitive decline is defined as SRB score decrease of ≥1.64 from baseline.