Additional information about the recordings used in the PhysioNet/CinC Challenge 2000

The table below presents additional information (not made available during the challenge)

about the Apnea-ECG Database records.  The first column of the table contains the record

names.

For scoring, each record was divided into one-minute non-overlapping segments.  The number

of such segments is given in the second column of the table below.  Each minute was classified

as either a "non-apnea minute" (tallied in the third column) or an "apnea minute" (in the

fourth column).  Minutes containing either apnea or hypopnea were classified as apnea minutes.

The one-minute segments were grouped into 60-minute non-overlapping segments for each record,

and the number of these groups containing between 5 and 60 apnea minutes is tallied in the

fifth column, "hours with apnea".  Hours containing 1 to 4 apnea minutes (not considered to

be clinically significant) were counted as hours without apnea for this purpose.

The apnea index (AI) is the number of apneas observed per hour, and the HI is the number

of hypopneas observed per hour.  The apnea-hypopnea index (AHI) is defined as the sum of

AI and HI.

The data contained in the table were kindly provided by Dr. Thomas Penzel.

Record  Length  non-apn apnea   hours   AI  HI  AHI Age Sex height  weight

    minutes minutes minutes w/apnea                     (cm)    (kg)

a01 490 20  470 9   12.5    57.1    69.6    51  M   175 102     

a02 529 109 420 9   57.2    12.3    69.5    38  M   180 120     

a03 520 274 246 9   38.4    0.7 39.1    54  M   168 80      

a04 493 40  453 9   73.4    4   77.4    52  M   173 121     

a05 455 179 276 8   35  6   41  58  M   176 78      

a06 511 305 206 8   16.6    8.1 24.7    63  M   179 104     

a07 512 190 322 9   46  17  63  44  M   177 105     

a08 502 313 189 7   32  10  42  51  M   179 88      

a09 496 115 381 9   23.1    8.6 31.7    52  M   178 82      

a10 518 418 100 6   11  10  21  58  M   176 78      

a11 467 245 222 8   11  3   14  58  M   168 103     

a12 578 44  534 10  70  10.2    80.2    52  M   173 121     

a13 496 252 244 9   32  10  42  51  M   179 88      

a14 510 127 383 8   17.3    37.4    54.7    51  M   175 102     

a15 511 143 368 9   46  6   52  60  M   176 113     

a16 483 163 320 7   17  24  41  44  M   177 105     

a17 486 328 158 5   21  12  33  40  M   179 96      

a18 490 52  438 9   75.5    6.9 82.4    52  M   178 82      

a19 503 298 205 9   34  0   34  55  M   178 90      

a20 511 196 315 9   35  6   41  58  M   176 78      

b01 488 469 19  2   0.12    0.12    0.24    44  F   170 63      

b02 518 425 93  5   14  5   19  53  M   176 85      

b03 442 369 73  4   22  2   24  53  M   176 85      

b04 430 420 10  1   0.7 0   0.7 42  M   180 64      

b05 434 377 57  3   2   3   5   52  M   180 135     

c01 485 485 0   0   0   0   0   31  M   184 74      

c02 503 502 1   0   0   0   0   37  M   180 83      

c03 455 455 0   0   0   0   0   39  M   184 65      

c04 483 483 0   0   0   0   0   41  F   180 65      

c05 467 464 3   0   0   0   0   28  F   169 57      

c06 469 468 1   0   0   0.25    0.25    28  F   171 65      

c07 454 450 4   0   0   0   0   30  F   168 56      

c08 535 535 0   0   0   0   0   42  M   180 64      

c09 469 467 2   0   0   0   0   37  M   180 83      

c10 432 431 1   0   0   0   0   27  M   184 72      

x01 524 149 375 9   46  17  63  44  M   177 105     

x02 470 261 209 7   27.3    10.4    37.7    46  M   167 69      

x03 466 454 12  1   0.13    0   0.13    44  F   170 63      

x04 483 483 0   0   0   0   0   39  M   184 65      

x05 506 190 316 9   34  0   34  55  M   178 90      

x06 451 451 0   0   0   0   0   31  M   170 66      

x07 510 270 240 8   11  10  21  58  M   176 78      

x08 518 194 324 8   48  0   48  55  M   178 90      

x09 509 342 167 5   1.8 16.7    18.5    43  M   177 80      

x10 511 415 96  6   3   7   10  39  M   170 131     

x11 458 445 13  1   2   3   5   52  M   180 135     

x12 528 471 57  4   21  12  33  40  M   179 96      

x13 507 215 292 8   18.5    0.2 18.7    57  M   171 97      

x14 491 52  439 9   61.2    18.3    79.5    38  M   180 120     

x15 499 299 200 8   11.3    4.6 15.9    63  M   179 104     

x16 516 451 65  4   22  2   24  53  M   176 85      

x17 401 400 1   0   0   0   0   27  F   158 53      

x18 460 458 2   0   0   0   0   27  M   184 72      

x19 488 81  407 9   50.1    6.1 56.2    54  M   168 80      

x20 514 250 264 8   34  9   43  51  M   179 88      

x21 511 391 120 4   14  5   19  53  M   176 85      

x22 483 481 2   0   0   0   0   27  F   158 53      

x23 528 409 119 3   9.9 4.4 14.3    43  M   177 80      

x24 430 429 1   0   0   0   0   31  M   170 66      

x25 511 220 291 9   48  0   48  55  M   178 90      

x26 521 177 344 9   14.4    0.7 15.1    57  M   171 97      

x27 499 11  488 9   71  4   75  60  M   176 113     

x28 496 62  434 9   71  4   75  60  M   176 113     

x29 471 471 0   0   0   0   0   41  F   180 65      

x30 512 186 326 9   17  24  41  44  M   177 105     

x31 558 42  516 10  86.8    6.7 93.5    29  F   183 100     

x32 539 114 425 9   63.3    8.5 71.8    29  F   183 100     

x33 474 471 3   0   0.13    0   0.13    28  F   169 57      

x34 476 472 4   0   0.38    0   0.38    30  F   168 56      

x35 484 484 0   0   0   0   0   31  M   184 74