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Table 3 Comparison individuals in the lowest and highest risk deciles from the 10-bin calibration plot under the validation cohort

From: Development and validation of risk of CPS decline (RCD): a new prediction tool for worsening cognitive performance among home care clients in Canada

 

Bin 0 (lowest risk decile) n = 979

Bin 9 (highest risk decile) n = 979

p-value

 

% (n)

 

Age (years)

 18–64

79.8 (781)

1.5 (15)

 < 0.0001

 65–74

16.8 (164)

7.5 (73)

 75–84

3.2 (31)

35.1 (344)

 85 + 

0.3 (3)

55.9 (547)

Sex

 Male

46.4 (454)

48.3 (473)

0.39

 Female

53.6 (525)

51.7 (506)

Marital status

 Never married

22.1 (216)

3.5 (34)

 < 0.0001

 Married

52.2 (511)

29.1 (285)

 Widowed

10.0 (98)

40.5 (396)

 Separated/divorced

12.9 (126)

8.4 (82)

 Unknown/other

2.9 (28)

18.6 (182)

Baseline Cognitive Performance Scale (CPS) score

 0

90.7 (888)

24.4 (239)

 < 0.0001

 1

9.3 (91)

75.6 (740)

Instrumental Activities of Daily Living (IADL) Involvement scale

 None/mild difficulty (0–13)

86.3 (845)

48.2 (472)

 < 0.0001

 Moderate/major difficulty (14–21)

13.7 (134)

51.8 (507)

Pain scale

 No pain/less than daily pain (0–2)

74.4 (728)

88.8 (869)

 < 0.0001

 Severe/daily pain (3–4)

25.6 (251)

11.2 (110)

Caregiver Risk Evaluation (CaRE)1

 Low risk

23.6 (231)

21.3 (208)

 < 0.0001

 Moderate risk

39.7 (389)

29.6 (290)

 High risk

32.4 (317)

46.9 (459)

 Very high risk

n/a

n/a

 Missing

4.3 (42)

2.3 (22)

Coronary artery disease

 No

85.5 (837)

80.5 (788)

0.0032

 Yes

14.5 (142)

19.5 (191)

Alzheimer’s dementia

 No

100.0 (979)

92.4 (905)

 < 0.0001

 Yes

0.0 (0)

7.6 (74)

Dementia (not Alzheimer’s dementia)

 No

100.0 (979)

70.5 (690)

 < 0.0001

 Yes

0.0 (0)

29.5 (289)

Parkinson’s disease

 No

100.0 (979)

82.6 (809)

 < 0.0001

 Yes

0.0 (0)

17.4 (170)

Any psychiatric diagnosis

 No

88.4 (865)

79.9 (782)

 < 0.0001

 Yes

11.6 (114)

20.1 (197)

Sudden/new onset change in mental functioning (last 7 days)

 No

99.9 (978)

97.3 (953)

 < 0.0001

 Yes

0.1 (1)

2.7 (26)

Stroke

 No

94.3 (923)

81.0 (793)

 < 0.0001

 Yes

5.7 (56)

19.0 (186)

Hip fracture

 No

96.9 (949)

97.1 (951)

0.7898

 Yes

3.1 (30)

2.9 (28)

Other types of fracture

 No

91.6 (897)

93.6 (916)

0.1011

 Yes

8.4 (82)

6.4 (63)

Pneumonia

 No

95.4 (934)

98.5 (964)

 < 0.0001

 Yes

4.6 (45)

1.5 (15)

Cancer

 No

60.5 (592)

92.4 (905)

 < 0.0001

 Yes

39.5 (387)

7.6 (74)

Hearing impairment

 No hearing impairment

94.4 (924)

67.8 (664)

 < 0.0001

 Hearing impairment

5.6 (55)

32.2 (315)

Vision impairment

 No vision impairment

95.3 (933)

87.6 (858)

 < 0.0001

 Vision impairment

4.7 (46)

12.4 (121)

Dual sensory impairment

 No dual sensory impairment

99.6 (975)

75.9 (743)

 < 0.0001

 Dual sensory impairment

0.4 (4)

24.1 (236)

Ability to understand others

 Understands

99.0 (969)

69.9 (684)

 < 0.0001

 Usually understands

1.0 (10)

26.2 (256)

 Often understands

0.0 (0)

3.5 (34)

 Sometimes understands

0.0 (0)

0.3 (3)

 Rarely/never understands

0.0 (0)

0.2 (2)

Wandering

 No

100.0 (979)

98.9 (968)

0.0009

 Yes

0.0 (0)

1.1 (11)

Verbally abusive

 No

99.0 (969)

95.5 (935)

 < 0.00001

 Yes

1.0 (10)

4.5 (44)

Chest pain

 No

95.4 (934)

98.6 (965)

 < 0.0001

 Yes

4.6 (45)

1.4 (14)

Edema

 No

71.7 (702)

80.6 (789)

 < 0.0001

 Yes

28.3 (277)

19.4 (190)

Hallucinations

 No

100.0 (979)

96.5 (945)

 < 0.0001

 Yes

0.0 (0)

3.5 (34)

Clients believes that they are capable of increased functional independence

 No

52.0 (509)

85.8 (840)

 < 0.0001

 Yes

48.0 (470)

14.2 (139)

Number of falls in last 90 days

 0

88.5 (866)

47.7 (467)

 < 0.0001

 1

9.7 (95)

20.2 (198)

 2 + 

1.8 (18)

32.1 (314)

Bladder incontinence

 No

78.2 (766)

47.0 (460)

 < 0.0001

 Yes

21.8 (213)

53.0 (519)

Prognosis of less than six months to live

 No

93.3 (913)

99.7 (976)

 < 0.0001

 Yes

6.7 (66)

0.3 (3)

Hospital admissions in the last 90 days

 0

42.4 (415)

69.9 (684)

 < 0.0001

 1

47.9 (469)

24.3 (238)

 2 + 

9.7 (95)

5.8 (57)

Client indicates that he/she feels lonely

 No

91.6 (897)

75.3 (737)

 < 0.0001

 Yes

8.4 (82)

24.7 (242)

Change in social activities in the last 90 days

 No decline/decline, not distressed

77.2 (756)

89.1 (872)

 < 0.0001

 Decline, distressed

22.8 (223)

10.9 (107)