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Table 6 Chance of response to ketamine as a result of evidence entry in single nodes – BN for predicting likelihood of prolonged response to oral ketamine. Baseline chance of prolonged response (no evidence entered) = 48%, baseline chance of no prolonged response = 52%

From: Predicting therapeutic response to oral ketamine for chronic suicidal ideation: a Bayesian network for clinical decision support

Single state scenario

% chance of prolonged response

(Δ%)a

% chance of no prolonged response (Δ%)a

Age <  25 years

50 (4)

50 (− 4)

Age 25–44 years

46 (− 4)

54 (4)

Age 45–64 years

50 (4)

50 (− 4)

Age ≥ 65 years

47 (− 2)

53 (2)

Sex male

49 (2)

51 (− 2)

Sex female

48 (0)

52 (0)

Tertiary education

47 (−2)

53 (2)

No tertiary education

50 (4)

50 (−4)

Employed

53 (10)

47 (−10)

Not employed

46 (−4)

54 (4)

Partnered

48 (0)

52 (0)

Not partnered

49 (2)

51 (−2)

No previous suicide attempts

57 (19)

43 (−17)

One previous suicide attempt

50 (4)

50 (−4)

Two or more previous suicide attempts

44 (−8)

56 (8)

BMI healthy

57 (19)

43 (−17)

BMI overweight

34 (−29)

66 (27)

BMI obese

49 (2)

51 (−2)

MADRS not severe

59 (23)

41 (−21)

MADRS severe

47 (−2)

53 (2)

SOFAS low

37 (−23)

63 (21)

SOFAS high

54 (13)

46 (−12)

  1. a \( {\Delta}_{\%}=\frac{P_{\mathrm{evidence}-}{P}_{\mathrm{baseline}}}{P_{\mathrm{baseline}}}\times 100\% \)