This is an R Markdown Notebook. When you execute code within the notebook, the results appear beneath the code.
Try executing this chunk by clicking the Run button within the chunk or by placing your cursor inside it and pressing Ctrl+Shift+Enter.
library(gtsummary)##Univaraite Analysis
tbl_summary(trial)| Characteristic | N = 2001 |
|---|---|
| Chemotherapy Treatment | |
| Drug A | 98 (49%) |
| Drug B | 102 (51%) |
| Age | 47 (38, 57) |
| Unknown | 11 |
| Marker Level (ng/mL) | 0.64 (0.22, 1.41) |
| Unknown | 10 |
| T Stage | |
| T1 | 53 (27%) |
| T2 | 54 (27%) |
| T3 | 43 (22%) |
| T4 | 50 (25%) |
| Grade | |
| I | 68 (34%) |
| II | 68 (34%) |
| III | 64 (32%) |
| Tumor Response | 61 (32%) |
| Unknown | 7 |
| Patient Died | 112 (56%) |
| Months to Death/Censor | 22.4 (15.9, 24.0) |
| 1 n (%); Median (Q1, Q3) | |
## Table printed with {flextable}, not {gt}. Learn why at
## https://www.danieldsjoberg.com/gtsummary/articles/rmarkdown.html
## To suppress this message, include `message = FALSE` in the code ##Bi variate Analysis
trial %>%
tbl_summary(by = trt) %>%
add_p() %>%
add_overall() %>%
add_n()| Characteristic | N | Overall N = 2001 |
Drug A N = 981 |
Drug B N = 1021 |
p-value2 |
|---|---|---|---|---|---|
| Age | 189 | 47 (38, 57) | 46 (37, 60) | 48 (39, 56) | 0.7 |
| Unknown | 11 | 7 | 4 | ||
| Marker Level (ng/mL) | 190 | 0.64 (0.22, 1.41) | 0.84 (0.23, 1.60) | 0.52 (0.18, 1.21) | 0.085 |
| Unknown | 10 | 6 | 4 | ||
| T Stage | 200 | 0.9 | |||
| T1 | 53 (27%) | 28 (29%) | 25 (25%) | ||
| T2 | 54 (27%) | 25 (26%) | 29 (28%) | ||
| T3 | 43 (22%) | 22 (22%) | 21 (21%) | ||
| T4 | 50 (25%) | 23 (23%) | 27 (26%) | ||
| Grade | 200 | 0.9 | |||
| I | 68 (34%) | 35 (36%) | 33 (32%) | ||
| II | 68 (34%) | 32 (33%) | 36 (35%) | ||
| III | 64 (32%) | 31 (32%) | 33 (32%) | ||
| Tumor Response | 193 | 61 (32%) | 28 (29%) | 33 (34%) | 0.5 |
| Unknown | 7 | 3 | 4 | ||
| Patient Died | 200 | 112 (56%) | 52 (53%) | 60 (59%) | 0.4 |
| Months to Death/Censor | 200 | 22.4 (15.9, 24.0) | 23.5 (17.4, 24.0) | 21.2 (14.5, 24.0) | 0.14 |
| 1 Median (Q1, Q3); n (%) | |||||
| 2 Wilcoxon rank sum test; Pearson’s Chi-squared test | |||||
## Table printed with {flextable}, not {gt}. Learn why at
## https://www.danieldsjoberg.com/gtsummary/articles/rmarkdown.html
## To suppress this message, include `message = FALSE` in the code ##Fit a linear regression model
model <- lm(response ~ trt, data = trial)
# Create a summary table
tbl_regression(model)| Characteristic | Beta | 95% CI | p-value |
|---|---|---|---|
| Chemotherapy Treatment | |||
| Drug A | — | — | |
| Drug B | 0.04 | -0.09, 0.17 | 0.5 |
| Abbreviation: CI = Confidence Interval | |||
## Table printed with {flextable}, not {gt}. Learn why at
## https://www.danieldsjoberg.com/gtsummary/articles/rmarkdown.html
## To suppress this message, include `message = FALSE` in the code chunk header.#Fit a multiple linear regression model
model <- lm(response ~ age + trt + grade, data = trial)
# Create a summary table
tbl_regression(model)| Characteristic | Beta | 95% CI | p-value |
|---|---|---|---|
| Age | 0.00 | 0.00, 0.01 | 0.10 |
| Chemotherapy Treatment | |||
| Drug A | — | — | |
| Drug B | 0.03 | -0.11, 0.16 | 0.7 |
| Grade | |||
| I | — | — | |
| II | -0.03 | -0.20, 0.13 | 0.7 |
| III | 0.00 | -0.16, 0.17 | >0.9 |
| Abbreviation: CI = Confidence Interval | |||
## Table printed with {flextable}, not {gt}. Learn why at
## https://www.danieldsjoberg.com/gtsummary/articles/rmarkdown.html
## To suppress this message, include `message = FALSE` in the code