sol6934 - Chapter 1 1. % 95 . 33 12 . 2 24 . 6 % 25 . 31 %...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chapter 1 1. % 95 . 33 12 . 2 24 . 6 % 25 . 31 % 100 336 . 6 98 . 1 98 . 1 4 73 . 15 1 5 ) 336 . 6 77 . 5 ( ) 336 . 6 95 . 5 ( ) 336 . 6 83 . 3 ( ) 336 . 6 29 . 9 ( ) 336 . 6 84 . 6 ( 336 . 6 5 68 . 31 5 77 . 5 95 . 5 83 . 3 29 . 9 84 . 6 2 2 2 2 2 = = = = = = =-- +- +- +- +- = = = + + + + = A A A NA NA NA cv s y cv s y Very similar levels 2. 8596 . 178 153 9607 . 178 171 2 ^ 1 ^ = = = = 3. risks similar very No, ) 1172 . 11035 1293 ) | ( ) 1153 . 11036 1273 ) | ( ) c B C P b B C P a = = = = 4. 74 . 139 , 75 . 23 , 18 . 94 ) 013974 . 264913 3702 ) | ( 002375 . 171363 407 ) | ( ) 009418 . ) ( ) c L C P L C P b C P a = = = = = 5. Sensitivity: 45/50 = 0.90 (90%) Specificity: 24/63 = 0.38 (38%) PV + : 45/84 = 0.54 (54%) PV- : 24/29 = 0.83 (83%) Accuracy: (45+24)/113 = 0.61 (61%) 6. Sensitivity: 116/140 = 0.83 (83%) Specificity: 211/215 = 0.98 (98%) PV + : 116/120 = 0.97 (97%) PV- : 211/235 = 0.90 (90%) Accuracy: (116+211)/355 = 0.92 (92%) 7. a) Cross-sectional b) Cohort study c) Randomized clinical trial d) Historical controls 8. a) Dependents: Ability to obtain erection (ordinal), EDITS (Numeric) Independent: Dose (Numeric) b) Approx. 41 c) Validity: It is accurately measuring patient satisfaction. Reliability: Reproducability of responses within subjects d) Yes Chapter 2 9. 2206 . 77 . 3 . 7 40 6 . 45 ) 6 . 45 ( : women for men for 99 . ) 6 . 45 ) 2 . 12 ( 33 . 2 74 ( 01 . ) 33 . 2 ( ) ) 296 , 142 ( 77 219 ) 2 . 39 ( 96 . 1 219 95 . ) 96 . 1 96 . 1 ( ) 05 . ) 5 . 99 ) 3 . 14 ( 645 . 1 123 ( 05 . ) 645 . 1 ( ) 10 . ) 8 . 162 ) 5 . 15 ( 28 . 1 143 ( 10 . ) 28 . 1 ( ) 1020 . 27 . 1 6 . 2 3 . 63 60 ) 60 ( ) 0721 . 46 . 1 8 . 2 9 . 67 72 ) 72 ( ) = =- = = =- - = + - = =- =- = + = - =- < = < = =- = Z P Y P Y P Z P g Y P f Y P Z P e Y P Z P d Z P Y P b Z P Y P a 10. = = = = = = = = = = = = 02 . 2 50 3 . 14 , 123 ) 00 . 1 9 . 3 , 9 . 69 ) 22 . 35 3 . 1 , 9 . 33 ) 56 . 25 8 . 2 , 9 . 67 ) Y Y Y Y Y Y Y Y N d N c N b N a 11. 1611 . 99 . 02 . 2 123 125 ) 125 ( ) 6802 . 1841 . 1357 . 1 ) 1 . 1 9 . ( 1 9 . 69 71 1 9 . 69 69 ) 71 69 ( ) 64 . 8 22 . 9 . 33 32 ) 32 ( ) 0010 . ) 09 . 3 ( 75 . 3 56 . 9 . 67 70 ) 70 ( ) = =- = =-- = - = - - = =- = = < =- = Z P Y P d Z P Z P Y P c Z P Y P b Z P Z P Y P a Chapter 3 12....
View Full Document

Page1 / 21

sol6934 - Chapter 1 1. % 95 . 33 12 . 2 24 . 6 % 25 . 31 %...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online