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Table 3 Changes in depression classification from initial to final appointment based on initial depression categorization (n = 5103)

From: Changes in patient health questionnaire (PHQ-9) scores in adults with medical authorization for cannabis

Depression Category Change

N (%)

Mean Difference in PHQ-9 Score (95% CI)

Severe (n = 648)

 

−0.70 (− 0.94, − 0.46)

 Severe to None

8 (1.2)

 

 Severe to Mild

9 (1.4)

 

 Severe to Moderate

3 (0.5)

 

 Severe to Moderately Severe

20 (3.1)

 

 No Change

608 (93.8)

 

Moderately Severe (n = 833)

 

−0.44 (−0.61, −0.27)

 Moderately Severe to None

9 (1.1)

 

 Moderately Severe to Mild

20 (2.4)

 

 Moderately Severe to Moderate

21 (2.5)

 

 Moderately Severe to Severe

14 (1.7)

 

 No Change

769 (92.3)

 

Moderate (n = 1069)

 

−0.41 (−0.54, −0.28)

 Moderate to None

38 (3.6)

 

 Moderate to Mild

37 (3.5)

 

 Moderate to Moderately Severe

16 (1.5)

 

 Moderate to Severe

3 (0.3)

 

 No Change

975 (91.2)

 

Mild (n = 1372)

 

−0.04 (−0.13, 0.05)

 Mild to None

72 (5.3)

 

 Mild to Moderate

35 (2.6)

 

 Mild to Moderately Severe

10 (0.7)

 

 Mild to Severe

1 (0.1)

 

 No Change

1254 (91.4)

 

None (n = 1181)

 

0.25 (0.14, 0.35)

 None to Mild

44 (3.7)

 

 None to Moderate

12 (1.0)

 

 None to Moderately Severe

1 (0.1)

 

 None to Severe

2 (0.2)

 

 No Change

1122 (95.0)