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Table 4 Before-after analyses* of number and percentages of patients prescribed a thiazide prescribing and patients achieving BP goals regardless of medication regimen, overall and stratified by diabetes status and age older or younger than 65 years.

From: A quasi-experimental test of an intervention to increase the use of thiazide-based treatment regimens for people with hypertension

  General Medicine (Intervention) PrimeCare (Comparison) p
PRESCRIBED A THIAZIDE, n(%)    
All Patients    
   Before intervention 845/2616 (32.3) 3103/12510 (24.8)  
   After intervention 1232/2973 (41.4) 4154/13575 (30.6)  
   Pre-post difference in proportions 0.091 0.058 0.0092
Among Diabetics < 65    
   Before intervention 159/464 (34.3) 523/2209 (23.7)  
   After intervention 203/500 (40.6) 794/2581 (30.8)  
   Pre-post difference in proportions 0.063 0.071 0.5939
Among Diabetics ≥ 65    
   Before intervention 209/543 (38.5) 522/1897 (27.5)  
   After intervention 260/600 (43.3) 581/1877 (31.0)  
   Pre-post difference in proportions 0.048 0.035 0.3451
Among Non-Diabetics < 65    
   Before intervention 203/687 (29.5) 1041/4449 (23.4)  
   After intervention 351/888 (39.5) 1611/5405 (29.8)  
   Pre-post difference in proportions 0.100 0.064 0.0790
Among Non-Diabetics ≥ 65    
   Before intervention 274/922 (29.7) 1017/3955 (25.7)  
   After intervention 418/985 (42.4) 1168/3712 (31.5)  
   Pre-post difference in proportions 0.127 0.058 0.0021
AT BLOOD PRESSURE CONTROL, n(%)    
All Patients    
   Before intervention 1108/2616 (42.4) 4992/12510 (39.9)  
   After intervention 1535/2973 (51.6) 6017/13575 (44.3)  
   Pre-post difference in proportions 0.092 0.044 0.0005
Among Diabetics < 65    
   Before intervention 141/464 (30.4) 537/2209 (24.3)  
   After intervention 197/500 (39.4) 738/2581 (28.6)  
   Pre-post difference in proportions 0.090 0.043 0.0778
Among Diabetics ≥ 65    
   Before intervention 128/543 (23.6) 435/1897 (22.9)  
   After intervention 224/600 (37.3) 496/1877 (26.4)  
   Pre-post difference in proportions 0.137 0.035 0.0004
Among Non-Diabetics < 65    
   Before intervention 341/687 (49.6) 2146/4449 (48.2)  
   After intervention 531/888 (59.8) 2846/5405 (52.6)  
   Pre-post difference in proportions 0.102 0.044 0.0265
Among Non-Diabetics ≥ 65    
   Before intervention 498/922 (54.0) 1874/3955 (47.4)  
   After intervention 583/985 (59.2) 1937/3712 (52.2)  
   Pre-post difference in proportions 0.052 0.048 0.4374
  1. * The active intervention began 14 November 2003 and ended 30 September 2004. "Before intervention" denotes unique patients seen during the 90-day period from 1 July through 30 September 2003. "After intervention" denotes unique patients seen during the final 90 days of the active intervention, from 1 July through 30 September 2004.