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Table 7 Urine Osmolality for the Experimental group with daily PA, SRWC, and PRAL subgroup analyses (Mean (SE)).

From: Acid-base balance and hydration status following consumption of mineral-based alkaline bottled water

Experimental Condition

Pre-Treatment Period

Treatment Period

Post-Treatment Period

 

M1

M2

M3

M4

M5

M6

M7

M8

M9

M10

M11

M12

All Subjects

373

367

387

375

343

396

† 435

† 440

† 445

376

358

360

(n = 19)

(28)

(39)

(47)

(32)

(40)

(42)

(41)

(44)

(40)

(38)

(31)

(35)

Low PA

(n = 9)

372

(45)

390

(68)

409

(73)

403

(52)

368

(79)

379

(80)

444

(87)

451

(87)

417

(82)

426

(64)

383

(49)

420

(70)

High PA

(n = 10)

374

(36)

346

(45)

368

(63)

350

(41)

330

(56)

412

(51)

427

(48)

430

(50)

† 473

(45)

330

(42)

335

(40)

340

(45)

Low SRWC

(n = 9)

418

(39)

477

(58)

505

(79)

467

(41)

460

(43)

504

(47)

† 574

(46)

† 581

(45)

† 562

(46)

441

(59)

414

(41)

480

(70)

High SRWC

(n = 10)

333

(37)

268

(28)

281

(28)

292

(31)

238

(36)

299

(29)

310

(42)

315

(43)

332

(45)

318

(44)

308

(41)

354

(36)

Low PRAL

(n = 9)

355

(44)

342

(61)

450

(65)

343

(38)

336

(40)

362

(45)

412

(49)

419

(50)

376

(50)

345

(46)

351

(49)

413

(65)

High PRAL

(n = 10)

390

(36)

389

(51)

331

(46)

404

(51)

349

(42)

427

(44)

456

(48)

† 460

(45)

† 470

(45)

404

(61)

365

(41)

4141

(39)

  1. Note: There were a total of twelve 24-hour urine collections labeled in the table as M1-M12, respectively.
  2. † Mean osmolality value differed significantly (P < 0.05) from respective mean Pre-Treatment reference value which was an average of all M1-M3 values within the condition and subject group being evaluated. These Pre-Treatment reference values were as follows: 376 (all Experimental subjects), 390 (low PA), 363 (high PA), 467 (low SRWC), 294 (high SRWC), 382 (low PRAL), and 370 mOsm/kg (high PRAL).