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Section

Physical Exam.Lung function

Data summary

Baseline

Variable Stats / Values Freqs (% of Valid) Graph Missing
has_spirometry [factor]
  1. No
  1. Yes
2700 ( 0.5% )
512713 ( 99.5% )
0 (0.0%)
fev1_max_x100 [integer]
Mean (sd) : 226.4 (66.5)
min ≤ med ≤ max:
15 ≤ 222 ≤ 573
IQR (CV) : 87 (0.3)
502 distinct values 0 (0.0%)
fvc_max_x100 [integer]
Mean (sd) : 267.8 (75.9)
min ≤ med ≤ max:
10 ≤ 261 ≤ 689
IQR (CV) : 100 (0.3)
582 distinct values 0 (0.0%)
old_gold [factor]
  1. No
  1. Yes
487440 ( 94.6% )
27566 ( 5.4% )
407 (0.1%)
fev1_first_x100 [integer]
Mean (sd) : 219.5 (66.6)
min ≤ med ≤ max:
11 ≤ 215 ≤ 573
IQR (CV) : 87 (0.3)
504 distinct values 0 (0.0%)
fvc_first_x100 [integer]
Mean (sd) : 260.5 (75.8)
min ≤ med ≤ max:
10 ≤ 253 ≤ 689
IQR (CV) : 100 (0.3)
585 distinct values 0 (0.0%)
fev1_second_x100 [integer]
Mean (sd) : 223.6 (66.6)
min ≤ med ≤ max:
10 ≤ 219 ≤ 551
IQR (CV) : 87 (0.3)
503 distinct values 0 (0.0%)
fvc_second_x100 [integer]
Mean (sd) : 264.4 (75.8)
min ≤ med ≤ max:
10 ≤ 257 ≤ 688
IQR (CV) : 100 (0.3)
590 distinct values 0 (0.0%)
fev1_z_score [numeric]
Mean (sd) : -0.9 (1.3)
min ≤ med ≤ max:
-9.4 ≤ -0.8 ≤ 7.8
IQR (CV) : 1.6 (-1.4)
512578 distinct values 2700 (0.5%)
fev1_percent_predicted [numeric]
Mean (sd) : 87.6 (17.4)
min ≤ med ≤ max:
6.8 ≤ 89.2 ≤ 205.7
IQR (CV) : 21.5 (0.2)
512589 distinct values 2700 (0.5%)
fev1_lln [numeric]
Mean (sd) : 2 (0.5)
min ≤ med ≤ max:
0.5 ≤ 1.9 ≤ 4.4
IQR (CV) : 0.7 (0.3)
498643 distinct values 2700 (0.5%)
fvc_z_score [numeric]
Mean (sd) : -1.3 (1.5)
min ≤ med ≤ max:
-11 ≤ -1.1 ≤ 8.3
IQR (CV) : 1.8 (-1.2)
512573 distinct values 2700 (0.5%)
fvc_percent_predicted [numeric]
Mean (sd) : 85.3 (16.8)
min ≤ med ≤ max:
3.2 ≤ 86.4 ≤ 226.7
IQR (CV) : 21.7 (0.2)
512583 distinct values 2700 (0.5%)
fvc_lln [numeric]
Mean (sd) : 2.5 (0.7)
min ≤ med ≤ max:
0.6 ≤ 2.4 ≤ 5.5
IQR (CV) : 0.9 (0.3)
498644 distinct values 2700 (0.5%)
fev1fvc_z_score [numeric]
Mean (sd) : 0.6 (2.1)
min ≤ med ≤ max:
-7.2 ≤ 0.5 ≤ 973.1
IQR (CV) : 1.8 (3.7)
512702 distinct values 2700 (0.5%)
fev1fvc_lln [numeric]
Mean (sd) : 0.7 (0)
min ≤ med ≤ max:
0.6 ≤ 0.7 ≤ 0.8
IQR (CV) : 0 (0)
498499 distinct values 2700 (0.5%)
fev1fvc_percent_predicted [numeric]
Mean (sd) : 103 (10.5)
min ≤ med ≤ max:
12.3 ≤ 103.5 ≤ 751
IQR (CV) : 11.5 (0.1)
512679 distinct values 2700 (0.5%)
copd [integer]
Min : 0
Mean : 0.1
Max : 1
0 : 478132 ( 93.3% )
1 : 34581 ( 6.7% )
2700 (0.5%)
copd_spirometry_severity [factor]
  1. Mild
  1. Moderate
  1. Moderately severe
  1. Severe
  1. Very severe
10086 ( 29.2% )
9530 ( 27.6% )
5985 ( 17.3% )
6367 ( 18.4% )
2613 ( 7.6% )
480832 (93.3%)

Generated by summarytools 1.0.1 (R version 4.3.1)
2024-02-27

Qc

Variable Stats / Values Freqs (% of Valid) Graph Missing
fev1_max_x100 [integer]
Mean (sd) : 228 (64.2)
min ≤ med ≤ max:
33 ≤ 224 ≤ 556
IQR (CV) : 81 (0.3)
417 distinct values 0 (0.0%)
fvc_max_x100 [integer]
Mean (sd) : 269.4 (72.1)
min ≤ med ≤ max:
60 ≤ 263 ≤ 575
IQR (CV) : 92 (0.3)
456 distinct values 0 (0.0%)
old_gold [factor]
  1. No
  1. Yes
14764 ( 93.5% )
1018 ( 6.5% )
34 (0.2%)
fev1_first_x100 [integer]
Mean (sd) : 221.8 (64.3)
min ≤ med ≤ max:
33 ≤ 218 ≤ 489
IQR (CV) : 82 (0.3)
409 distinct values 0 (0.0%)
fvc_first_x100 [integer]
Mean (sd) : 262.7 (72.2)
min ≤ med ≤ max:
48 ≤ 256 ≤ 572
IQR (CV) : 93 (0.3)
463 distinct values 0 (0.0%)
fev1_second_x100 [integer]
Mean (sd) : 224.2 (64.3)
min ≤ med ≤ max:
28 ≤ 220 ≤ 556
IQR (CV) : 82 (0.3)
415 distinct values 0 (0.0%)
fvc_second_x100 [integer]
Mean (sd) : 265.1 (72.2)
min ≤ med ≤ max:
52 ≤ 258 ≤ 575
IQR (CV) : 94 (0.3)
456 distinct values 0 (0.0%)

Generated by summarytools 1.0.1 (R version 4.3.1)
2024-02-27

Resurvey 1

Variable Stats / Values Freqs (% of Valid) Graph Missing
has_spirometry [factor]
  1. No
  1. Yes
19803 ( 100.0% )
0 ( 0.0% )
0 (0.0%)
has_lung_questionnaires [factor]
  1. No
  1. Yes
78 ( 0.4% )
19725 ( 99.6% )
0 (0.0%)
has_contra [factor]
  1. Yes
  1. Unsure
  1. No
178 ( 0.9% )
107 ( 0.5% )
19423 ( 98.6% )
95 (0.5%)
had_caffeine [factor]
  1. No
  1. Yes
1559 ( 7.9% )
18090 ( 92.1% )
154 (0.8%)
fev1_max_x100 [integer]
Mean (sd) : 226 (73.8)
min ≤ med ≤ max:
10 ≤ 222 ≤ 620
IQR (CV) : 94 (0.3)
475 distinct values 322 (1.6%)
had_inhaler [factor]
  1. No
  1. Yes
6 ( 0.0% )
19640 ( 100.0% )
157 (0.8%)
fvc_max_x100 [integer]
Mean (sd) : 290.2 (90.8)
min ≤ med ≤ max:
13 ≤ 282 ≤ 790
IQR (CV) : 117 (0.3)
571 distinct values 323 (1.6%)
had_cigarette [factor]
  1. No
  1. Yes
2642 ( 13.4% )
17004 ( 86.6% )
157 (0.8%)
old_gold [factor]
  1. No
  1. Yes
16053 ( 82.5% )
3406 ( 17.5% )
344 (1.7%)
fev1_first_x100 [integer]
Mean (sd) : 216.9 (74.3)
min ≤ med ≤ max:
10 ≤ 213 ≤ 620
IQR (CV) : 96 (0.3)
468 distinct values 320 (1.6%)
fvc_first_x100 [integer]
Mean (sd) : 278.4 (91.5)
min ≤ med ≤ max:
10 ≤ 271 ≤ 790
IQR (CV) : 117 (0.3)
578 distinct values 321 (1.6%)
fev1_second_x100 [integer]
Mean (sd) : 220.9 (74.7)
min ≤ med ≤ max:
10 ≤ 217 ≤ 617
IQR (CV) : 96 (0.3)
476 distinct values 322 (1.6%)
fvc_second_x100 [integer]
Mean (sd) : 283.7 (91.3)
min ≤ med ≤ max:
13 ≤ 276 ≤ 770
IQR (CV) : 117 (0.3)
578 distinct values 323 (1.6%)
fev1_z_score [numeric]
All NA’s
19803 (100.0%)
fev1_percent_predicted [numeric]
All NA’s
19803 (100.0%)
fev1_lln [numeric]
All NA’s
19803 (100.0%)
fvc_z_score [numeric]
All NA’s
19803 (100.0%)
fvc_percent_predicted [numeric]
All NA’s
19803 (100.0%)
fvc_lln [numeric]
All NA’s
19803 (100.0%)
fev1fvc_z_score [numeric]
All NA’s
19803 (100.0%)
fev1fvc_lln [numeric]
All NA’s
19803 (100.0%)
fev1fvc_percent_predicted [numeric]
All NA’s
19803 (100.0%)
copd [integer]
All NA’s
19803 (100.0%)
copd_spirometry_severity [factor]
  1. Mild
  1. Moderate
  1. Moderately severe
  1. Severe
  1. Very severe
All NA’s 19803 (100.0%)

Generated by summarytools 1.0.1 (R version 4.3.1)
2024-02-27

Resurvey 2

Variable Stats / Values Freqs (% of Valid) Graph Missing
has_spirometry [factor]
  1. No
  1. Yes
25252 ( 100.0% )
0 ( 0.0% )
0 (0.0%)
has_lung_questionnaires [factor]
  1. No
  1. Yes
188 ( 0.7% )
25064 ( 99.3% )
0 (0.0%)
has_contra [factor]
  1. Yes
  1. Unsure
  1. No
482 ( 1.9% )
257 ( 1.0% )
24325 ( 97.1% )
188 (0.7%)
had_caffeine [factor]
  1. No
  1. Yes
24257 ( 96.8% )
807 ( 3.2% )
188 (0.7%)
fev1_max_x100 [integer]
Mean (sd) : 214.2 (74.7)
min ≤ med ≤ max:
12 ≤ 209 ≤ 700
IQR (CV) : 95 (0.3)
498 distinct values 952 (3.8%)
had_inhaler [factor]
  1. No
  1. Yes
25032 ( 99.9% )
32 ( 0.1% )
188 (0.7%)
fvc_max_x100 [integer]
Mean (sd) : 288.9 (93.7)
min ≤ med ≤ max:
24 ≤ 279 ≤ 800
IQR (CV) : 118 (0.3)
629 distinct values 954 (3.8%)
had_cigarette [factor]
  1. No
  1. Yes
22665 ( 90.4% )
2399 ( 9.6% )
188 (0.7%)
old_gold [factor]
  1. No
  1. Yes
18092 ( 74.6% )
6163 ( 25.4% )
997 (3.9%)
fev1_first_x100 [integer]
Mean (sd) : 202.2 (74.4)
min ≤ med ≤ max:
11 ≤ 197 ≤ 696
IQR (CV) : 95 (0.4)
486 distinct values 950 (3.8%)
fvc_first_x100 [integer]
Mean (sd) : 273.2 (92.9)
min ≤ med ≤ max:
12 ≤ 265 ≤ 800
IQR (CV) : 119 (0.3)
624 distinct values 951 (3.8%)
fev1_second_x100 [integer]
Mean (sd) : 213.9 (74.5)
min ≤ med ≤ max:
12 ≤ 209 ≤ 700
IQR (CV) : 94 (0.3)
499 distinct values 952 (3.8%)
fvc_second_x100 [integer]
Mean (sd) : 288.6 (93.8)
min ≤ med ≤ max:
24 ≤ 279 ≤ 800
IQR (CV) : 119 (0.3)
628 distinct values 954 (3.8%)
fev1_z_score [numeric]
All NA’s
25252 (100.0%)
fev1_percent_predicted [numeric]
All NA’s
25252 (100.0%)
fev1_lln [numeric]
All NA’s
25252 (100.0%)
fvc_z_score [numeric]
All NA’s
25252 (100.0%)
fvc_percent_predicted [numeric]
All NA’s
25252 (100.0%)
fvc_lln [numeric]
All NA’s
25252 (100.0%)
fev1fvc_z_score [numeric]
All NA’s
25252 (100.0%)
fev1fvc_lln [numeric]
All NA’s
25252 (100.0%)
fev1fvc_percent_predicted [numeric]
All NA’s
25252 (100.0%)
copd [integer]
All NA’s
25252 (100.0%)
copd_spirometry_severity [factor]
  1. Mild
  1. Moderate
  1. Moderately severe
  1. Severe
  1. Very severe
All NA’s 25252 (100.0%)

Generated by summarytools 1.0.1 (R version 4.3.1)
2024-02-27




International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF

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Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)

Page generated: 27-02-2024